1. In an optimal state of balance or equilibrium
   "a well-balanced wheel" 
2. Free from psychological disorder
   - well-adjusted

See also: adjusted, balanced

• instantaneity
• instantaneous
• instantaneous sound pressure
• instantaneously
• instantaneousness
• instanter
• instantiate
• instantiation
• instantly
• instar
• instate
• instauration
• instead
• instep
• instigant
• instigate
• instigation
• instigative
• instigator
• instil
• instill
• instillation
• instillator
• instilling
• instillment