as in inquiry
a systematic search for the truth or facts about something
officials launched an extensive investigation of the plane crash
Synonyms & Similar Words
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Recent Examples of investigation
Amanda Lee Myers is a senior crime reporter who covers the death penalty, cold case investigations and breaking news for USA TODAY.
—
Amanda Lee Myers, USA Today, 21 May 2026
Riverside County officials said there were no updates on the active investigation.
—Andrew J. Campa, Los Angeles Times, 21 May 2026
The Virginia Beach Police Department will hold a press conference on the arrest and investigation on Wednesday, May 20, Newington police said in their release.
—Ingrid Vasquez, PEOPLE, 20 May 2026
Everything from Earth images to snapshots inside the space station can be incredibly helpful in scientific investigations.
—Chelsea Gohd, Space.com, 20 May 2026
Both testified against Chivington during congressional investigations Less than three months after testifying, Soule was gunned down on a street in Denver.
—Judith Kohler, Denver Post, 20 May 2026
Sandy Springs police have identified two suspects arrested during an investigation at a local park that caused a nearby polling place to shut down for hours on Tuesday.
—Dan Raby, CBS News, 20 May 2026
If there’s an investigation, this was murder, not suicide.
—Josh Slater-Williams, IndieWire, 20 May 2026
Workplace investigations are not broad.
—Briana Mascaro, Forbes.com, 20 May 2026
Amanda Lee Myers, USA Today, 21 May 2026
Riverside County officials said there were no updates on the active investigation.
—Andrew J. Campa, Los Angeles Times, 21 May 2026
The Virginia Beach Police Department will hold a press conference on the arrest and investigation on Wednesday, May 20, Newington police said in their release.
—Ingrid Vasquez, PEOPLE, 20 May 2026
Everything from Earth images to snapshots inside the space station can be incredibly helpful in scientific investigations.
—Chelsea Gohd, Space.com, 20 May 2026
Both testified against Chivington during congressional investigations Less than three months after testifying, Soule was gunned down on a street in Denver.
—Judith Kohler, Denver Post, 20 May 2026
Sandy Springs police have identified two suspects arrested during an investigation at a local park that caused a nearby polling place to shut down for hours on Tuesday.
—Dan Raby, CBS News, 20 May 2026
If there’s an investigation, this was murder, not suicide.
—Josh Slater-Williams, IndieWire, 20 May 2026
Workplace investigations are not broad.
—Briana Mascaro, Forbes.com, 20 May 2026
Recent Examples of Synonyms for investigation
Noun
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The state police, already examining alleged irregularities in city tax collections during Stewart’s administration, expanded the inquiry to include credit card use and the FBI also has opened an investigation, law enforcement sources said Thursday.—
Edmund H. Mahony,
Hartford Courant,
14 May 2026
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And Szabo hired prominent Charlotte criminal defense attorney Tin to represent her in an inquiry by the North Carolina Real Estate Commission.—
Amber Gaudet,
Charlotte Observer,
14 May 2026
Noun
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The child's remains were taken to the Royal Victoria Infirmary in Newcastle, where authorities planned to carry out a post-mortem examination.—
Desiree Anello,
PEOPLE,
19 May 2026
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For further insights into similar changes in the search and cloud domains, refer to our examination of Why The Market Is Re-Rating Google Stock.—
Trefis Team,
Forbes.com,
18 May 2026
Noun
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This rightly renowned novel is an incredible exploration of a believable historical situation where twin Black girls, Desiree and Stella, born in 1938 Louisiana.—
Literary Hub,
Literary Hub,
20 May 2026
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The voyage is available on a book-by-cabin basis and legendary NASA astronaut Dr Kathy Sullivan will be onboard to provide expert insight into the science and wonder of celestial exploration.—
Rebecca Ann Hughes,
Forbes.com,
20 May 2026
Noun
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To reach the site, study lead author Scott Evans, a paleontologist at the American Museum of Natural History, and his colleagues embarked on a 14-hour drive and a helicopter flight.—
Jack Tamisiea,
Scientific American,
20 May 2026
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According to one Mercer study, 97 percent of them are less likely to fund companies that fail to systematically upskill their workforce on AI.—
Bernard Marr,
Forbes.com,
20 May 2026
Noun
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Bianco says the probe is a fact‑finding effort to ensure election integrity, not a criminal case.—
James Ward,
USA Today,
15 May 2026
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Her plea will spare a lengthy discovery period and likely mark the legal denouement of a federal probe that shook Sacramento after the FBI recorded dozens of lobbyists in the summer of 2024 as part of the investigation.—
Sharon Bernstein,
Sacbee.com,
14 May 2026
Noun
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Here’s a probing, exclusive, in-depth conversation Benn had with The Athletic following Monday’s practice.—
Mark Lazerus,
New York Times,
28 Apr. 2026
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The hosts also talk about Prasad’s second exit from the FDA and a congressman’s probing of the agency’s rare disease drug denials.—
Adam Feuerstein,
STAT,
12 Mar. 2026
Noun
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The exchange of an astronaut’s research time for a laboratory’s power supply is, in effect, a transaction.—
Tejpaul Bhatia,
Fortune,
20 May 2026
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Culinary instructor Kaylie Kotecki said part of the pizza challenge is research, and students do this by going on the Wise Guys website and seeing what’s on the menu, what different items are called and the common ingredients the restaurant already uses.—
Fousia Abdullahi,
Fort Worth Star-Telegram,
20 May 2026
Cite this Entry
“Investigation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/investigation. Accessed 24 May. 2026.
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