verb (used without object), cog·i·tat·ed, cog·i·tat·ing.

to think hard; ponder; meditate: to cogitate about a problem.

verb (used with object), cog·i·tat·ed, cog·i·tat·ing.

to think about; devise: to cogitate a scheme.

Origin of cogitate

1555–65; < Latin cōgitātus (past participle of cōgitāre), equivalent to co- co- + agitātus; see agitate
Related formscog·i·tat·ing·ly, adverbcog·i·ta·tor, nounpre·cog·i·tate, verb, pre·cog·i·tat·ed, pre·cog·i·tat·ing.

Synonyms for cogitate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cogitate

Contemporary Examples of cogitate

Historical Examples of cogitate

  • Father Brown seemed to cogitate; he lifted a little whitebait on his fork.

  • But he did not stop to cogitate either one way or the other.

    The Rhodesian

    Gertrude Page

  • Here in Topeka there was nothing to do but cogitate and reflect.

  • I often cogitate over what accident must have befallen Jacob Canfield.

    Two Wonderful Detectives

    Harlan Page Halsey

  • Let me see; let me think, reflect, cogitate, tickle the thinker.

    The Varmint

    Owen Johnson

British Dictionary definitions for cogitate



to think deeply about (a problem, possibility, etc); ponder
Derived Formscogitatingly, adverbcogitation, nouncogitator, noun

Word Origin for cogitate

C16: from Latin cōgitāre, from co- (intensive) + agitāre to turn over, agitate
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 cogitate

late 16c., from Latin cogitatus, past participle of cogitare "to think" (see cogitation). Related: Cogitated; cogitating.

Online Etymology Dictionary, © 2010 Douglas Harper