sup·pos·al /-ˈpozəl/
  想象,推測
  Sup·pos·al n. The act of supposing; also, that which is supposed; supposition; opinion.
     Interest, with a Jew, never proceeds but upon supposal, at least, of a firm and sufficient bottom.   --South.
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  supposal
       n 1: a hypothesis that is taken for granted; "any society is
            built upon certain assumptions" [syn: assumption, supposition]
       2: the cognitive process of supposing [syn: supposition]