radiate ra·di·ate (rā′dē-āt′) v. ra·di·at·ed, ra·di·at·ing, ra·di·ates
1. To emit (light or energy) in rays or waves.
2. To send or spread out from or as if from a center: a cactus that radiates spines.
3. To irradiate or illuminate (an object).
4. To manifest in a glowing manner: a leader who radiates confidence. (tr) (of a person) to show (happiness, health, etc) to a great degree or to project or glow with cheerfulness, joy, etc.