Simple Definition of suppose
: to think of (something) as happening or being true in order to imagine what might happen
: to believe (something) to be true
: to believe (something) to be possible
Full Definition of suppose
1a : to lay down tentatively as a hypothesis, assumption, or proposal <suppose a fire broke out> <suppose you bring the salad>b (1) : to hold as an opinion : believe <they supposed they were early> (2) : to think probable or in keeping with the facts <seems reasonable to suppose that he would profit>
3 : presuppose
Examples of suppose
Suppose a fire broke out. How would we escape?
Just suppose for a moment that you agreed with me.
Supposing he refuses to help, what do we do then?
The renovations will cost much more than we originally supposed.
Origin of suppose
Middle English, from Anglo-French supposer, from Medieval Latin supponere (perfect indicative supposui), from Latin, to put under, substitute, from sub- + ponere to put — more at position
First Known Use: 14th century
Rhymes with suppose
Seen and Heard
What made you want to look up suppose? Please tell us where you read or heard it (including the quote, if possible).