To suppose is to assume something without conviction or to assume something without full understanding or knowledge.
To assume; suppose
To speculate is to hypothesize or come up with a theory about something but not a full tested or researched answer.
To have or formulate in the mind:
Postulate is defined as to claim, demand or assert something as truth.
The definition of formulate is to create a strategy or come up with a plan or idea, or to express an idea in a clear, concise way.
To ascertain or establish the genuineness or validity of; to verify.
To think or suppose
Find another word for theorizes. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for theorizes, like: supposes, hypothesizes, conjectures, speculates, thinks, postulates, formulates, proves and guesses.