英和和英

make a conjecture

to surmise

to presume something

formulate a hypothesis

to build a hypothesis

to form a hypothesis

to form a hypothesis―hypothesize

to concede a point―make a compromise

the advancing of a claim

make an assertion

make an assertion

to hazard a conjecture

to insist on something

the action of guessing

make a prediction about

the claims postulated

to guess about something

to advance a theory―set up a theory―set forth a theory―put forward a theory―propound a doctrine

lay claim to

an affirmative proposition

make a pretence of

a pretender

a pretender

make an accusatory claim

substantiate a claim

a supposition

a supposition

acknowledged as a supposition

refute a statement

substantiate one's claim