Meaning ofsupposein English

Verb

1. to assume or take for granted; believe
   I suppose it will rain tomorrow.
2. to imagine or consider something true
   Let's suppose we have unlimited resources.
3. to theorize or form a hypothesis
   The scientist had to suppose a new theory to explain the data.
4. to imply or require something to exist
   If we suppose that gravity doesn't exist, what would happen?