As a Noun: 1. The ability that you have to form ideas of new or exciting things; the part of your mind which you use to form pictures or ideas of things that do not necessarily exist in real life. English = imagination. As a Verb or Adjective: 1. To form a picture or idea of something in your mind. English = imagine. Note: 1. Some older signers may think of this sign as an invented sign (for Signed English in education) but for many younger signers it has now just become another Auslan sign. Many signers prefer the other sign that matches the keyword ‘imagine’ also found here in Signbank.