Learn how to say Suppose correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word suppose:
verb (transitive; may take a clause as object)
to presume (something) to be true without certain knowledge ⇒ I suppose he meant to kill her
to consider as a possible suggestion for the sake of discussion, elucidation, etc; postulate ⇒ suppose that he wins the election
(of theories, propositions, etc) to imply the inference or assumption (of) ⇒ your policy supposes full employment
C14: from Old French supposer, from Medieval Latin suppōnere, from Latin: to substitute, from sub- + pōnere to put