Crossword clues for the word: INSTAL The word INSTAL has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for INSTAL Showing 1 to 10 of 10 results Clue(s) Connect Establish Hook up: Var. Place in position, ready for use Put in office: Var. Put in place (second spelling) Put in place, ready for use Seat (second spelling) Set up Set up (var.)