The crossword solution for the term 'MATCH UP (WITH)' is 'JIBE', which is a four-letter word. JIBE is a verb that means to be in agreement or harmony with something, or to be compatible with something. It can also mean to make fun of someone in a good-natured way. The phrase 'match up (with)' implies that two things are being compared and that they should be similar or compatible. Therefore, the answer 'JIBE' is appropriate.