The term SIGN OFF ON is a phrase that is used to indicate approval or agreement. It can be broken down into five crossword solutions: INITIAL (7 letters), OKAY (4 letters), ALLOW (5 letters), HALLOW (6 letters), and AGREETO (7 letters). INITIAL is a noun that means the first letter of a name, or the first form of something. OKAY is an adjective that means satisfactory or acceptable. ALLOW is a verb that means to permit or grant permission. HALLOW is a verb that means to make holy or sacred. AGREETO is a verb that means to accept or agree to something. Together, these words form the phrase SIGN OFF ON, which is used to indicate approval or agreement.