Synonyms of theorize

theorize

verb

as in to speculate

to think of or suggest ideas about what is possibly true or real; to form or suggest a theory about something

Many scientists have theorized about the possibility of life on other planets.

Synonyms & Similar Words

• speculate
• hypothesize
• think
• postulate
• say
• believe
• presume
• suppose
• assume
• dream
• presuppose
• deduce
• infer
• accept
• swallow
• surmise
• gather
• conclude
• suspect
• guess
• premise
• credit
• hypothecate
• conjecture
• judge
• figure
• conceive
• imagine
• perceive
• suspicion
• insist
• contend
• assert
• take
• affirm
• reckon
• allege
• claim
• declare
• fancy
• maintain
• aver
• avow
• profess
• preconceive
• avouch

Antonyms & Near Antonyms

• doubt
• question
• challenge
• discredit
• disagree (with)
• deny
• wonder (about)
• dispute
• controvert
• disbelieve
• discount
• reject
• distrust
• repudiate
• disavow
• disclaim
• refute
• disprove
• mistrust
• rebut
• disown
• belie
• confute

Example Sentences

Recent Examples of theorize

The defense has theorized O’Keefe was mauled by a German shepherd owned by the family who lived at 34 Fairview. —Dakin Andone, CNN Money, 16 June 2025

The site also theorizes that the company’s lack of sales data in Korea and generous pre-order deals—that improved as the days went on—are signs that the device hasn’t sold well. —Janhoi McGregor, Forbes.com, 14 June 2025

It’s been theorized that the song is about Carpenter’s public ex, movie star Barry Keoghan. —Jason P. Frank, Vulture, 11 June 2025

The researcher theorizes these spikes could correspond with 11 times Earth was blasted with supernova radiation. —Robert Lea, Space.com, 13 June 2025