in·ves·ti·gate

[in-ves-ti-geyt] verb, in·ves·ti·gat·ed, in·ves·ti·gat·ing.
verb (used with object)
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)
3.
to make inquiry, examination, or investigation.

Origin:
1500–10; < Latin investīgātus, past participle of investīgāre to follow a trail, search out. See in-2, vestige, -ate1

in·ves·ti·ga·tive, in·ves·ti·ga·to·ry [in-ves-ti-guh-tawr-ee, -tohr-ee] , adjective
in·ves·ti·ga·tor, noun
pre·in·ves·ti·gate, verb, pre·in·ves·ti·gat·ed, pre·in·ves·ti·gat·ing.
pre·in·ves·ti·ga·tor, noun
qua·si-in·ves·ti·gat·ed, adjective
re·in·ves·ti·gate, verb, re·in·ves·ti·gat·ed, re·in·ves·ti·gat·ing.
un·in·ves·ti·gat·ed, adjective
un·in·ves·ti·gat·ing, adjective
un·in·ves·ti·ga·tive, adjective
un·in·ves·ti·ga·to·ry, adjective
well-in·ves·ti·gat·ed, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To Investigating
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Investigating is always a great word to know.
So is slumgullion. Does it mean:
a stew of meat, vegetables, potatoes, etc.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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World English Dictionary
investigate (ɪnˈvɛstɪˌɡeɪt) [Click for IPA pronunciation guide]
 
vb
to inquire into (a situation or problem, esp a crime or death) thoroughly; examine systematically, esp in order to discover the truth
 
[C16: from Latin investīgāre to search after, from in-² + vestīgium track; see vestige]
 
in'vestigable
 
adj
 
in'vestigative
 
adj
 
in'vestigatory
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Example sentences
And they have used it to begin investigating the causes the traumatic brain
  injury.
Rice's contribution was to argue that too much time wasted by investigating
  might be catastrophic.
But even as anti-doping officials increase surveillance, unscrupulous athletes
  are investigating new ways to gain an edge.
While investigating what kind of gruesome end might result, they have stumbled
  upon a few surprises.
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