lower
verb
°To let descend by its own weight, as something suspended; to let down; as, to lower a bucket into a well; to lower a sail of a boat; sometimes, to pull down; as, to lower a flag.
°To reduce the height of; as, to lower a fence or wall; to lower a chimney or turret.
synonyms: shorten, reduce, turn down, cut more» , die off, drop, fall, fall off, shrink, lessen