Synonyms of suppose in English:

suppose


See definition of suppose

verb

1‘I suppose he's used to this kind of work’

SYNONYMS
assume, dare say, take for granted, take as read, presume, expect, take it
believe, think, fancy, be of the opinion, suspect, have a sneaking suspicion, sense, trust
guess, surmise, reckon, conjecture, theorize, deduce, infer, gather, glean, divine
formal opine

2‘suppose your spacecraft had a two-stage rocket’

SYNONYMS
hypothesize, postulate, theorize, posit, speculate, say, let's say, assume, imagine

3‘the classical theory supposes rational players’

SYNONYMS
require, presuppose, imply, assume
call for, need