Noah Webster
Irradiate
IRRA'DIATE, verb transitive [Latin irradio; in and radio, to shine. See Ray.]
1. To illuminate; to brighten; to make splendid; to adorn with luster.
2. To enlighten intellectually; to illuminate; as, to irradiate the mind.
3. To animate by heat or light.
4. To decorate with shining ornaments.
IRRA'DIATE, verb intransitive To emit rays; to shine.
IRRA'DIATE, adjective Adorned with shining ornaments.