WordWeb Online

1. Form a mental image of something that is not present or that is not the case
   "Can you imagine him as the president?";
   - conceive of, ideate, envisage
    
2. Expect to be true; believe
   "I imagine she earned a lot of money with her new novel";
   - think, opine, suppose, reckon, guess, daresay [informal], dare say [informal]

Derived forms: imagining, imagined

Type of: anticipate, create by mental act, create mentally, expect

Encyclopedia: Imagine, the Sky