Synonyms for Suppose:

n.

be a great/firm believer in something, believe in, recognize. anticipate, expect, take something for granted, reckon on, calculate on, plan on, bargain on. what's that supposed to mean?, for pity's sake, what's the big idea?, for heaven's sake/sakes, give me strength, brother, darn, for crying out loud, give me a break. picture, visualization, read into, have visions of (doing) something, think up. suppose (noun)
hypothesise, hypothesize, conjecture, guess, reckon, speculate, hypothecate, think, theorise, opine, theorize, say, imagine.

v.

communication (verb)
say.
imagine (verb)
design, fantasize, conceive, theorize, brainstorm, contemplate, observe, imagine, create, invent, ideate, opine, reflect, envision, perceive.
suppose (verb)
conjecture, philosophize, prophesy, speculate, hypothesize.

Other synonyms:

anticipate, believe in, read into, think up, bargain on, calculate on, reckon on. recognize, daydream. expect. picture. believe
take for granted, reckon on.
expect
bargain on.
trust
calculate on.

Usage examples for suppose

  1. I suppose everything went all right? – The Literary Sense by E. Nesbit
  2. I suppose they must be happy. – The Letters of William James, Vol. II by William James
  3. You don't suppose I believe you, do you? – John Bull's Other Island by George Bernard Shaw