keep within bounds

curb decrease define diminish hamper impede inhibit limit narrow reduce regulate restrain shorten

bind bound chain check circumscribe constrict contain contract cramp delimit delimitate demarcate encircle enclose inclose moderate modify qualify shrink surround temper tether tie

bottle up come down on cool down demark hang up hem in hold back hold down keep within limits pin down prelimit put away put on ice send up shut in

aid allow assist develop encourage enlarge expand extend free grow help increase lengthen raise

let go liberate loose loosen open permit release stretch unbind unfasten unloose untie