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

Based on their research, Parabon scientists theorized the body likely belonged to Moss, prosecutors said. —Daniella Segura, Sacbee.com, 27 May 2025

Although the face of the person is not visible, and viewers only see a silhouette, but this was enough to get the Swifties in action and theorize that this was Swift. —Armando Tinoco, Deadline, 23 May 2025

Thrifty Traveler theorized that airlines may be trying to use solo passengers as another possible indicator of business travel. —Zach Wichter, USA Today, 4 June 2025

Victorian-era neurologists theorized that the body functioned like an electrical machine, powered by energy distributed through the nervous system. —Time, 3 June 2025