The Oxford Thesaurus An A-Z Dictionary of Synonyms - imagine v.

1) think of, contemplate, picture, envisage, consider, ponder, meditate on, envision, visualize, conceive (of) , conceptualize, create, think up, concoct, devise, Colloq dream up, cook up: I cannot imagine what you are referring to. Imagine, if you can, a world without conflict. 2) suppose, guess, conjecture, assume, presume, take it, infer, take (it) for granted, take it as given, think, fancy, believe, gather, surmise, suspect, judge, deem: I imagine that you won't want a drink if you are driving. You are imagining things if you think she is trying to undermine your authority.