Emily Dickinson Lexicon

IR-RA'DI-ATE, v.t. [L. irradio; in and radio, to shine. See Ray.]

1. To illuminate; to brighten; to make splendid; to adorn with luster. South.
2. To enlighten intellectually; to illuminate; as, to irradiate the mind. Milton.
3. To animate by heat or light. Hale.
4. To decorate with shining ornaments. Pope.