KEY: Radiance.
SYN: Brightness, splendor, lustre, brilliancy, brilliance,effulgence, glare.
ANT: Dullness, opaque.

• Reserved
• Residence
• Resident \a
• Resident
• Reside, [See ABIDE]
• Residue, [See REMAINDER]
• Resign
• Resignation
• Resist
• Resistance
• Resistible
• Resolute
• Resolution
• Resolve, [See DECIDE]
• Resonant
• Resort
• Resort \v
• Resound
• Resource, Resources
• Respectable \a
• Respective
• Respect
• Respect \v
• Respite, [See REPRIEVE]
• Resplendent