oppose
op.pose \*-'po-z\ vt [F opposer, fr. L opponere (perf. indic. opposui), fr. ob-] against + ponere to place - more at OB-, POSITION 1: to place opposite or against 2: to place over against something so as to provide resistance, counterbal ance, or contrast 3: to offer resistance to POSE may apply to a range extending from mere objection to bitter hostility or warfare; COMBAT stresses the actual conflict with what one actively opposes; RESIST and WITHSTAND imply answering an offensive action with counter force, WITHSTAND usu. adding a suggestion of successful outcome; ANTAGONIZE implies an arousing of resistance or hostility in another - op.pos.er n SYN syn COMBAT, RESIST, WITHSTAND, ANTAGONIZE: OP
Webster's English Dictionary