abandon, give up - stop maintaining or insisting on; of ideas, claims, etc.; "He abandoned the thought of asking for her hand in marriage"; "Both sides have to give up some calims in these negociations"

move - move so as to change position, perform a nontranslational motion; "He moved his hand slightly to the right"

decrease, diminish, lessen, fall - decrease in size, extent, or range; "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fall to under a hundred pounds"; "his voice fell to a whisper"

alter, change, modify - cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"