imagine in WordNet English dictionary

1. form a mental image of something that is not present or that is not the case
   "Can you conceive of him as the president?"
   imagine  conceive of  ideate  envisage 
   
2. expect, believe, or suppose
   "I imagine she earned a lot of money with her new novel"; "I thought to find her in a bad state"; "he didn't think to find her in the kitchen"; "I guess she is angry at me for standing her up"
   think  opine  suppose  imagine  reckon  guess