investigation

[in-ves-ti-gey-shuhn]

Origin of investigation

1400–50; late Middle English investigacio(u)n < Latin investīgātiōn- (stem of investīgātiō). See investigate, -ion
Related formsin·ves·ti·ga·tion·al, adjectivepre·in·ves·ti·ga·tion, nounre·in·ves·ti·ga·tion, noun

Synonyms for investigation

1, 2. scrutiny, exploration. Investigation, examination, inquiry, research express the idea of an active effort to find out something. An investigation is a systematic, minute, and thorough attempt to learn the facts about something complex or hidden; it is often formal and official: an investigation of a bank failure. An examination is an orderly attempt to obtain information about or to make a test of something, often something presented for observation: a physical examination. An inquiry is an investigation made by asking questions rather than by inspection, or by study of available evidence: an inquiry into a proposed bond issue. Research is careful and sustained investigation.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pre-investigation

investigation

noun
  1. the act or process of investigating; a careful search or examination in order to discover facts, etc
Derived Formsinvestigational, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pre-investigation

investigation

n.

early 15c., from Old French investigacion (14c.), from Latin investigationem (nominative investigatio) "a searching into, a searching for," noun of action from past participle stem of investigare "to trace out, search after," from in- "in, into" (see in- (2)) + vestigare "to track, trace," from vestigium "footprint, track" (see vestige).

Online Etymology Dictionary, © 2010 Douglas Harper