1. Carefree and happy and lighthearted
   "a merry blithesome nature"
   - blithe, lighthearted, lightsome, light-hearted

See also: cheerful

• appointment book
• appointment calendar
• apportion
• apportionable
• apportioned
• apportioning
• apportionment
• apposable
• appose
• apposite
• appositely
• appositeness
• apposition
• appositional
• appositive
• appositively
• appraisal
• appraise
• appraisee
• appraisement
• appraiser
• appraising
• appreciable
• appreciably
• appreciate