What is the meaning of Suppose?

To take for granted; to conclude, with less than absolute supporting data; to believe.

To theorize or hypothesize.

To imagine; to believe; to receive as true.

To reckon to be, to account or esteem as.

To require to exist or to be true; to imply by the laws of thought or of nature.

To put by fraud in the place of another.

inflection of supposer:

  1. first/third-person singular present indicative/subjunctive
  2. second-person singular imperative

first/third-person singular present indicative/subjunctive

second-person singular imperative

third-person singular past historic of supporre

Source: wiktionary.org