being of crucial importance; "a pivotal event"; "Its pivotal location has also exposed it to periodic invasions"- Henry Kissinger; "the polar events of this study"; "a polar principal"
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"