#1 suppose v. [say] express a supposition; "Let us say that he did not tell the truth"; "Let's say you had a lot of money--what would you do?". wn
#2 suppose v. [think, opine, imagine, reckon, guess] expect, believe, or suppose; "I imagine she earned a lot of money with her new novel"; "I thought to find her in a bad state"; "he didn't think to find her in the kitchen"; "I guess she is angry at me for standing her up". wn
#3 suppose v. [speculate, theorize, theorise, conjecture, hypothesize, hypothesise, hypothecate] to believe especially on uncertain or tentative grounds; "Scientists supposed that large dinosaurs lived in swamps". wn
#4 suppose v. [presuppose] take for granted or as a given; suppose beforehand; "I presuppose that you have done your work". wn
#5 suppose v. [presuppose] require as a necessary antecedent or precondition; "This step presupposes two prior ones". wn
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