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investigate

[in-ves-ti-geyt] /ɪnˈvɛs tɪˌgeɪt/
verb (used with object), investigated, investigating.
1.
to examine, study, or inquire into systematically; search or examine into the particulars of; examine in detail.
2.
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.
verb (used without object), investigated, investigating.
3.
to make inquiry, examination, or investigation.
Origin of investigate
1500-1510
1500-10; < Latin investīgātus, past participle of investīgāre to follow a trail, search out. See in-2, vestige, -ate1
Related forms
investigative, investigatory
[in-ves-ti-guh-tawr-ee, -tohr-ee] /ɪnˈvɛs tɪ gəˌtɔr i, -ˌtoʊr i/ (Show IPA),
adjective
investigator, noun
preinvestigate, verb, preinvestigated, preinvestigating.
preinvestigator, noun
quasi-investigated, adjective
reinvestigate, verb, reinvestigated, reinvestigating.
uninvestigated, adjective
uninvestigating, adjective
uninvestigative, adjective
uninvestigatory, adjective
well-investigated, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for investigatory
Contemporary Examples
Historical Examples
  • The investigatory expedition to the ominous red spot of the giant of the solar system was on.

  • An inquiry into—ah—certain facets of past investigatory methods.

    We're Friends, Now Henry Hasse
  • They glittered then with a strange cold light, those variegated orbs, but their ordinary expression was earnest and investigatory.

    Miriam Monfort Catherine A. Warfield
  • He became acutely aware of his disfigured face, and felt his swelling bruises with a limp, investigatory hand.

    Tales of Space and Time Herbert George Wells
  • Suddenly he started out of a vague reverie and pressed an investigatory hand to his side.

    Tales of Space and Time Herbert George Wells
British Dictionary definitions for investigatory

investigate

/ɪnˈvɛstɪˌɡeɪt/
verb
1.
to inquire into (a situation or problem, esp a crime or death) thoroughly; examine systematically, esp in order to discover the truth
Derived Forms
investigable, adjective
investigative, investigatory, adjective
Word Origin
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
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Word Origin and History for investigatory

investigate

v.

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
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