ADV. amply, beyond doubt, clearly, conclusively, convincingly, successfully, well Our study demonstrates beyond doubt that the play was written by Shakespeare. | adequately | further | easily | elegantly, neatly | empirically, experimentally | graphically, vividly This tragedy graphically demonstrates the dangers of walking on the fells after dark.
PREP. to The prime minister must demonstrate to the country that he is really in control of his government.
PREP. against Campaigners were demonstrating against the slaughter of dolphins. | for Their objective was to demonstrate peacefully for civil rights.