The Collaborative International Dictionary of English v.0.48:
Radiate \Ra"di*ate\ (r[=a]"d[i^]*[=a]t), v. i. [imp. & p. p.
Radiated (r[=a]"d[i^]*[=a]`t[e^]d); p. pr. & vb. n.
Radiating.] [L. radiatus, p. p. of radiare to furnish with
spokes or rays, to radiate, fr. radius ray. See Radius,
Ray a divergent line.]
1. To emit rays; to be radiant; to shine.
Virtues shine more clear
In them [kings], and radiate like the sun at noon.
2. To proceed in direct lines from a point or surface; to
issue in rays, as light or heat.
Light radiates from luminous bodies directly to our