Related Clues:

• Bright, as a solarium
• Small, dark and bright
• Insult unfortunately illuminated
• Small group welcoming learner, naturally bright
• Bright, as a patio
• Bright students turning away from books
• Illuminated by a star during the day
• Bright, like an atrium
• Naturally bright?
• Illuminated — insult (anag)
• Given illumination by our setter?
• Bright, but less so when son leaves
• Primarily shady and dingy? No, the reverse
• Central fund gets involved in cut — that's really bright
• Like a naturally bright room