The crossword solution for the term 'INS HAVE IT' is ACCESS, which is a six-letter word. ACCESS is a noun that refers to the ability or right to enter, approach, or make use of something. It can also refer to the means of getting near, at, or to something. ACCESS is often used in the context of technology, such as having ACCESS to the internet or a computer system. ACCESS is also used in the context of rights, such as having ACCESS to education or healthcare.