I suppose so Definition

suppose
verb supposed, supposing

1. To consider something likely, even when there is a lack of tangible evidence for it to be so.

Thesaurus: surmise, assume, guess, hypothesize, imagine, infer, presume, postulate.
2. To think, believe, agree, etc reluctantly, unwillingly (that something could be true).
3. To assume, often wrongly.

Example: He supposed she wouldn't find out
4. To treat something as a fact for the purposes of forming an argument or plan.

Example: Let's suppose he's not coming
Form: let us suppose (often)
5. Said of a theory, proposition, policy, etc: to require (some vital factor or assumption) to be the case before it can work, be valid, etc.

Example: Your idea for expansion supposes more money to be available

Derivative: supposable
adj

Derivative: supposably
adverb

Derivative: supposer
noun

Derivative: supposing
noun

Idiom: be supposed to be something (be supposed to do something)

To be expected or allowed to be or do it.
Example: You're supposed to be an adult
Example: You were supposed to be here an hour ago
Example: You're not supposed to wear makeup to school
Thesaurus: be expected to, be required to, be obliged to, be intended to, be meant to.

Idiom: I suppose so

An expression of reluctant agreement.

Idiom: just suppose ...? ((just) supposing ...?)

What if ...?; How about ...?

Etymology: 14c: from French supposer, from Latin supponere to place below.