The crossword solution for the term 'ON CONDITION' is 'PROVIDED'. This term is used to express a condition or stipulation that must be met in order for something to happen. It is often used in legal documents and contracts, and can also be used in everyday language. For example, someone might say 'I'll do it PROVIDED you do your part.' In this context, 'PROVIDED' means that the person will only do the task if the other person fulfills their obligation.