The term 'UP (PAID)' can be solved by two crossword solutions: 'PONIED' (6 letters) and 'ANTED' (5 letters). 'Ponied' is a verb meaning to pay or provide money for something in advance. It is derived from the noun 'PONY', which is slang for a sum of money. 'Anted' is a verb meaning to provide something before it is requested or needed. It is derived from the noun 'ante', which is a stake put UP in a card game before the cards are dealt.