Synonyms for halcyon

adjective

• marked by peace and prosperity
• idyllically calm and peaceful; suggesting happy tranquillity

noun

• a large kingfisher widely distributed in warmer parts of the Old World
• (Greek mythology) a woman who was turned into a kingfisher
• a mythical bird said to breed at the time of the winter solstice in a nest floating on the sea and to have the power of calming the winds and waves