1. Having or marked by unusual and impressive intelligence
   - brainy, brilliant

See also: intelligent

• sustainer
• sustaining pedal
• sustaining program
• sustainment
• sustenance
• sustentacular
• sustentation
• sustentative
• susurrant
• susurrate
• susurration
• susurrous
• susurrus
• Sutherland
• sutler
• sutra
• suttee
• sutura
• sutura coronalis
• sutura frontalis
• sutura intermaxillaris
• sutura internasalis
• sutura lamboidea
• sutura sagittalis
• sutural