as in inquiry
a systematic search for the truth or facts about something
officials launched an extensive investigation of the plane crash
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Recent Examples of investigation
The crash occurred during a routine developmental test mission for the B-52 Radar Modernization Program, and the cause remains under investigation, with findings potentially six months away.
—
Ruyuan Li. Summary Produced By Ai Assistance, Sacbee.com, 18 June 2026
The officer will remain on leave as the investigation into the police shooting continues, per the police department's policy.
—Michael Guise, CBS News, 18 June 2026
An investigation revealed that the horse was suffering from multiple diseases and was a decade older than his driver had initially reported, according to the organization.
—Thao Nguyen, USA Today, 18 June 2026
While the investigation is still ongoing, Wahi has traveled to the United States and even played in the Ivory Coast's win over Ecuador this past weekend.
—Austin Perry, FOXNews.com, 17 June 2026
Six days later, the Chandler Police Department confirmed to PEOPLE that Trigg had tragically died in the hospital, and afterward, an investigation into the incident was opened.
—Jordana Comiter, PEOPLE, 17 June 2026
However, internal conflict between the brash younger generation and the old-school leadership threatens to set a match to this powder keg, which will sweep the Westies into the FBI’s ever-deepening investigation into the Italian mafia.
—Rosy Cordero, Deadline, 17 June 2026
As the investigation into her mom Nancy’s disappearance stretches towards its fifth month, viewers noticed Savannah was missing from her spot during the Today show’s June 17 morning episode.
—Lara Walsh, InStyle, 17 June 2026
Ruyuan Li. Summary Produced By Ai Assistance, Sacbee.com, 18 June 2026
The officer will remain on leave as the investigation into the police shooting continues, per the police department's policy.
—Michael Guise, CBS News, 18 June 2026
An investigation revealed that the horse was suffering from multiple diseases and was a decade older than his driver had initially reported, according to the organization.
—Thao Nguyen, USA Today, 18 June 2026
While the investigation is still ongoing, Wahi has traveled to the United States and even played in the Ivory Coast's win over Ecuador this past weekend.
—Austin Perry, FOXNews.com, 17 June 2026
Six days later, the Chandler Police Department confirmed to PEOPLE that Trigg had tragically died in the hospital, and afterward, an investigation into the incident was opened.
—Jordana Comiter, PEOPLE, 17 June 2026
However, internal conflict between the brash younger generation and the old-school leadership threatens to set a match to this powder keg, which will sweep the Westies into the FBI’s ever-deepening investigation into the Italian mafia.
—Rosy Cordero, Deadline, 17 June 2026
As the investigation into her mom Nancy’s disappearance stretches towards its fifth month, viewers noticed Savannah was missing from her spot during the Today show’s June 17 morning episode.
—Lara Walsh, InStyle, 17 June 2026
Recent Examples of Synonyms for investigation
Noun
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According to the Air Force, the Interim Safety Board assigned to investigate the crash is tasked with collecting as much information as possible and then handing it over to a Safety Investigation Board, composed of experts, that will complete the inquiry.—
Los Angeles Times,
Los Angeles Times,
19 June 2026
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The company, which aired the UFC event live in theaters, did not immediately respond to an inquiry from USA TODAY.—
Marc Ramirez,
USA Today,
18 June 2026
Noun
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Investigators are expected to move the wreckage to a secure location for further examination after initial on-site documentation is complete.—
Thao Nguyen,
USA Today,
16 June 2026
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The judge ultimately directed an examination of potential options for his detainment in the Tampa area, and has now ruled for that custodial transfer to occur.—
Doug Lantz,
ABC News,
15 June 2026
Noun
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This article is part of our Style of Play series, an exploration of World Cup kit culture.—
Nick Miller,
New York Times,
17 June 2026
-
Adding to the charm, guests are treated to a variety of authentic accommodations, including several located within national park perimeters, providing extra time for activities and exploration.—
Michael Cappetta,
Travel + Leisure,
17 June 2026
Noun
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Brain imaging studies have also shown placebo responses can influence stress pathways, hormone activity, immune responses and chemicals tied to mood and pain regulation.—
Daryl Austin,
USA Today,
18 June 2026
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About 96 million Americans ages 16 and older identify as birders, roughly 37% of the US population, according to the US Fish and Wildlife Service’s 2022 demographic and economic survey on birding, the most comprehensive study to date.—
Hanna Wickes,
Kansas City Star,
18 June 2026
Noun
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The probes are linked to Newsom’s former chief-of-staff, Dana Williamson, and Siebel Newsom’s taxes, the source said.—
Taryn Luna,
Los Angeles Times,
19 June 2026
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These types of platforms employ an AI moderator that probes rather than validates and delivers a professional insights report, all within minutes.—
Stefan Pollack,
Forbes.com,
18 June 2026
Noun
-
Davis’ ability to reflect and respond with his pithy probing of the disagreeing chord turned chaos into something cogent.—
Steven D. Reske,
Chicago Tribune,
24 May 2026
-
It’s composed of 22 bilaterally symmetric appendages that ring the nostrils and move independently, sweeping the substrate in continuous probing arcs.—
Scott Travers,
Forbes.com,
20 May 2026
Noun
-
Yes, recent research suggests birding may boost both brain health and mental wellbeing.—
Hanna Wickes,
Kansas City Star,
18 June 2026
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The Forest Service has cited cost savings as the impetus for a reorganization that will shutter dozens of research facilities.—
Alex Wigglesworth,
Los Angeles Times,
18 June 2026
Cite this Entry
“Investigation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/investigation. Accessed 20 Jun. 2026.
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