1. Behaving responsibly
   - in his right mind, in their right minds

See also: sane

• aestivation
• aether
• Aethionema
• Aethusa
• Aethusa cynapium
• aetiologic
• aetiological
• aetiologist
• aetiology
• Aetobatus
• Aetobatus narinari
• AFAIK
• afar
• Afars and Issas
• afeard
• afeared
• afebrile
• affability
• affable
• affableness
• affably
• affair
• affaire
• affaire d'honneur
• affairs