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

See also: sane

• subsiding
• subsidisation
• subsidise
• subsidised
• subsidiser
• subsidization
• subsidize
• subsidized
• subsidizer
• subsidy
• subsist
• subsistence
• subsistence farming
• subsistent
• subsister
• subsoil
• subsolar
• subsonic
• subspace
• subspecies
• substance
• substance abuse
• substance abuser
• substandard
• substantia alba