1. Smiling with happiness or optimism
   "a round red twinkly Santa Claus"
   - beamish, smiling, smiley

See also: cheerful, twinkle

• periodical
• periodical cicada
• periodically
• periodicity
• periodontal
• periodontal disease
• periodontia
• periodontic
• periodontics
• periodontist
• periodontitis
• perioperative
• Periophthalmus
• periosteum
• peripatetic
• peripateticism
• Peripatidae
• Peripatopsidae
• Peripatopsis
• peripatus
• peripeteia
• peripetia
• peripety
• peripheral
• peripheral device