1. Not mentally confused; able to think clearly and act intelligently
   - clear-thinking

See also: clear, unclouded

Antonym: confused

• interjection
• interjectional
• interkinesis
• interlace
• interlaced
• interlacement
• interlacing
• Interlaken
• interlanguage
• interlard
• interlay
• interlayer
• interleaf
• interleave
• interleukin
• interline
• interlineal
• interlinear
• interlineation
• Interlingua
• interlingual rendition
• interlining
• interlink
• interlinking
• interlobular