Gleam
Definition 1 of 4
Pro Tip 1/2
Often Reflective
Gleam usually involves light bouncing off surfaces, not a direct light source. The gleam of sunlight off the car's mirror was blinding.
Pro Tip 2/2
Subtle Light
Gleam suggests a soft or subdued shine rather than a harsh brightness. A gentle gleam of candlelight spilled from the window.