- to examine, study, or inquire into systematically; search or examine into the particulars of; examine in detail.
- to search out and examine the particulars of in an attempt to learn the facts about something hidden, unique, or complex, especially in an attempt to find a motive, cause, or culprit: The police are investigating the murder.
- to make inquiry, examination, or investigation.
Origin of investigate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to inquire into (a situation or problem, esp a crime or death) thoroughly; examine systematically, esp in order to discover the truth
Word Origin for investigate
C16: from Latin investīgāre to search after, from in- ² + vestīgium track; see vestige
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
c.1500, back-formation from investigation, or else from Latin investigatus, past participle of investigare "to trace out, search after" (see investigation). Related: Investigated; investigating.
Online Etymology Dictionary, © 2010 Douglas Harper