"I will not intrude upon your conference another moment,’ said Mr Chester with inconceivable politeness. ‘May it be satisfactory to you both! God bless you!’ So saying, and bestowing upon the locksmith a most refulgent smile, he left them."

refulgent
adj : radiating or as if radiating light; "the beaming sun"; "the
effulgent daffodils"; "a radiant sunrise"; "a refulgent
sunset" [syn: beaming, beamy, effulgent, radiant]


Source: Webster's Revised Unabridged Dictionary (1913)

Refulgent \Re*ful"gent\ (r?*f?l"jent), a. [L. refulgens, p. pr.
of refulgere to flash back, to shine bright; pref. re- re- +
fulgere to shine. See Fulgent.]
Casting a bright light; radiant; brilliant; resplendent;
shining; splendid; as, refulgent beams. -- Re*ful"gent*ly,
adv.

So conspicuous and refulgent a truth. --Boyle.