提高

improve; raise; rise; lift; increase; enhance; heighten; uplift; elevate; advance; step up; upgrade; augment; up; bump up; ramp up; sharpen; fortify; take; climb; hone; better; boost; pitch; polish up; come on; pick up; put up; go up; enhanced; raised; elevated; upraised; upwards; improvement; enhancement; raising; elevation; upgradation; ascent; ascension; exaltation; upturn; upswing; aggrandizement; betterment