What does cogitate mean?
'Cogitate' is a verb meaning to think deeply, carefully, and at length about something, especially when weighing a difficult problem or decision before acting. Derived from the Latin 'cogitare,' it belongs to a family of words concerned with mental effort and has been part of English since the sixteenth century. The word is formal in register and slightly literary, so it appears more often in essays, speeches, and fiction than in everyday conversation, where people are more likely simply to say they are 'thinking it over.' Part of its charm lies in its vividness: to cogitate suggests visible, laborious reflection — brow furrowed, pen tapping — rather than casual musing. Related forms include 'cogitation' (deep thought itself) and 'cogitative' (given to such thought). For writers and speakers who want to lend deliberation an air of weight and wit, 'cogitate' remains a precise and memorable choice.
verbTo think deeply and carefully about something; to ponder or deliberate at length before reaching a conclusion.
- To think deeply or seriously about something in order to understand it or reach a decision.
- (Less common) To devise or work out mentally; to contrive.
"She sat by the window for hours, cogitating over whether to accept the job offer."
"The committee spent the weekend cogitating on how best to cut costs without layoffs."
"He paced the study, cogitating a way out of the financial mess."
When you 'cogitate,' you're literally using the same Latin root that gives us 'agitate' — your mind gets shaken up until the answer settles.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cogitate
The word comes from the Latin 'cogitare,' meaning to think or ponder, formed from the intensive prefix 'co-' combined with 'agitare,' to drive or shake — so Latin speakers pictured thought as a kind of mental churning. English borrowed 'cogitate' in the sixteenth century, alongside its relatives 'cogitation' and 'cogitative.' The same Latin root ultimately underlies 'agitate,' which preserves the physical sense of shaking or stirring.
Related word forms
How cogitate is actually used
'Cogitate' is formal and somewhat old-fashioned in flavour; it carries a slightly bookish, even humorous connotation of heavy, visible thinking — the kind often depicted with furrowed brow or chin-stroking. It works well when you want to signal deliberate, unhurried thought rather than quick intuition.
Easily confused with cogitate
'Cogent' describes an argument that is clear, logical, and convincing, while 'cogitate' means to think deeply about a problem.