The term 'bank on' is an idiom that means to RELY or TRUST in something. The crossword solutions for this term include 'RELY', 'EXPECT', 'CALCULATE', 'LEAN', 'ASSUME', 'RECKON', 'PRESUME', 'CREDIT', 'COUNT', 'BELIEVE', 'DEPEND', and 'TRUST'. All of these words can be used to describe the act of trusting in something, whether it be a person, an event, or an outcome. By using these words, one can express their confidence in something and their willingness to put their faith in it.