promoting or enhancing well-being; "an arms limitation agreement beneficial to all countries"; "the beneficial effects of a temperate climate"; "the experience was good for her"
tending to promote physical well-being; beneficial to health; "beneficial effects of a balanced diet"; "a good night's sleep"; "the salutary influence of pure air"
a cataclysm resulting from a destructive sea wave caused by an earthquake or volcanic eruption; "a colossal tsunami destroyed the Minoan civilization in minutes"
an obvious change of public opinion or political sentiment that occurs without leadership or overt expression; "there was a ground swell of antiwar sentiment"