■ verb
1》 form a mental image or concept of.
↘[often as adjective ~d ] believe (something unreal) to exist.
2》 believe to be so; suppose.
Derivatives
~r noun
Origin
ME: from OFr. ~r , from L. imaginare 'form an image of' and imaginari 'picture to oneself', both from imago , imagin- 'image'.