WordNet sense 1 ((Greek mythology) a woman who was turned into a kingfisher):

Alcyone

WordNet sense 2 (a large kingfisher widely distributed in warmer parts of the Old World):

genus Halcyon

WordNet sense 3 (not disturbed by strife or turmoil or war):

peaceful

WordNet sense 4 (marked by peace and prosperity):

golden, prosperous

WordNet sense 5 (enjoying or showing or marked by joy or pleasure or good fortune):

happy