The term 'UNAVAILABLE NOW' can be summarized by the crossword solution 'INTRUST', which is a seven-letter word. INTRUST is a verb meaning to entrust or commit something to the care of another person. It is often used in legal contexts, such as when a person entrusts their property to another person for safekeeping. In this context, UNAVAILABLE NOW could mean that the item or service is not currently available, and must be entrusted to someone else for safekeeping until it can be accessed again.