1. capable of being illuminated or lit up
2. capable of being made clear or understandable; able to be enlightened
Usage: formal; literary

Examples

• The illuminable surfaces of the stage were painted white to reflect the stage lights.
• The manuscript's illuminable passages became clearer after the scholar's detailed analysis.
• These illuminable materials are ideal for creating bright, reflective displays.
• The problem seemed complex at first, but it proved to be illuminable through careful study.
• The artist chose illuminable fabrics that would glow under ultraviolet light.