1.  to come true (of a wish, prayer, etc.);  to be realized;  to be fulfilled
esp. 叶う
2.  to suit (e.g. a purpose);  to meet (wishes, ideals, etc.);  to conform to (standards, rules, etc.);  to be consistent with
esp. 適う
3.  to match (implies competition);  to rival;  to bear (e.g. the heat)
esp. 敵う, usu. with neg. verb