Synonyms and Antonyms of investigation
a systematic search for the truth or facts about something officials launched an extensive investigation of the plane crash Synonyms of investigation delving, disquisition, examen, examination, exploration, inquest, inquisition, inquiry, probation, probe, probing, research, studyWords Related to investigation quest; audit, check; checkup, diagnosis, inspection; hearing, interrogation, trial; feeler, query, question; poll, questionary, questionnaire, survey; challenge, cross-examination, going-over, grilling, quiz; rehearing, reinvestigation; self-examination, self-exploration, self-questioning, self-reflection, self-scrutiny, soul-searching
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