1. A disposition free from stress or emotion
   - repose, quiet, placidity, tranquillity, tranquility 
2. The absence of mental stress or anxiety
   - peace, peacefulness, peace of mind, repose, heartsease, ataraxis

Derived forms: serenities

Type of: calm, calmness, composure, equanimity, quietness, quietude, tranquility, tranquillity, unflappability

Encyclopedia: Serenity

• hunter
• hunter's chicken
• hunter's moon
• hunter's sauce
• hunter-gatherer
• hunting
• hunting and gathering society
• hunting and gathering tribe
• hunting crop
• hunting dog
• hunting expedition
• hunting ground
• hunting guide
• hunting knife
• hunting licence
• hunting license
• hunting lodge
• hunting permit
• hunting season
• hunting spider
• hunting watch
• Huntingdon elm
• Huntingdon willow
• Huntington
• Huntington's chorea