16 possible answers to
Answers with 3 characters: SET Answers with 4 characters: TRUE TUNE Answers with 5 characters: ADAPT ALIGN ALINE ALTER RESET TWEAK Answers with 6 characters: ATTUNE ORIENT Answers with 7 characters: EVENOUT Answers with 8 characters: FINETUNE REJIGGER REGULATE Answers with 9 characters: REARRANGE