The crossword solution for the term 'IF EXCEPT' is UNLESS, which is a six-letter word. UNLESS is a conjunction that is used to introduce an exception or condition to a statement. It is often used in the form of 'If X, then Y, UNLESS Z'. This means that if X is true, then Y will be true, except in the case of Z. For example, 'I will go to the store, UNLESS it rains.' In this sentence, the speaker is saying that they will go to the store, UNLESS it rains, in which case they will not go.