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.

Related 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

Dissimilar Words

• 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 Fujiwhara effect explained Back in 1921, Japanese meteorologist Sakuhei Fujiwhara published a paper that theorized two storms spinning near each other could start rotating together around a common center point. —Mary Gilbert, CNN Money, 25 Sep. 2025

The cops theorize that Daniel siphoned off the money into his own account and faked his death, with plans to escape with the cash. —Kimberly Roots, TVLine, 24 Sep. 2025

Fans had been theorizing amid their silence that the hosts were instructed by their parent company not to discuss Kimmel’s suspension. —Zack Sharf, Variety, 22 Sep. 2025

Police theorize the shooting was the result of a robbery. —Chris Ramirez, jsonline.com, 22 Sep. 2025