hypothesize

Verb

1.

hypothesize - to believe especially on uncertain or tentative grounds; "Scientists supposed that large dinosaurs lived in swamps" Synonyms: conjecture, hypothesise, speculate, theorise, theorize, hypothecate, suppose

anticipate, conjecture, construct, develop, expect, explicate, formulate, guess, hypothecate, hypothesis, hypothesise, possibility, reconstruct, retrace, speculate, speculation, suppose, supposition, surmisal, surmise, theorise, theorize, theory