1. (adjective) pleasantly (even unrealistically) optimistic

• pollyannaish
• upbeat

1. (adjective) being full of or promoting cheer; having or showing good spirits

• beaming
• glad
• beamish
• smiling
• twinkly
• blithe
• blithesome
• light-hearted
• lighthearted
• lightsome
• buoyant
• chirpy
• perky
• cheery
• gay
• sunny
• chipper
• debonair
• debonaire
• jaunty

2. (adjective) pleasantly (even unrealistically) optimistic

• optimistic

1. (adjective) being full of or promoting cheer; having or showing good spirits

• glad
• happy

1. (adjective) being full of or promoting cheer; having or showing good spirits

• cheer
• cheerfulness
• sunniness
• sunshine

2. (adjective) pleasantly (even unrealistically) optimistic

• blitheness
• cheerfulness

1. (adjective) being full of or promoting cheer; having or showing good spirits

• cheerless
• depressing
• uncheerful