'Illuminating' definitions:

Definition of 'illuminating'

(from WordNet)
adjective
Tending to increase knowledge or dissipate ignorance; "an enlightening glimpse of government in action"; "an illuminating lecture" [syn: enlightening, informative, illuminating] [ant: unenlightening, unilluminating]

Definition of 'Illuminating'

From: GCIDE
  • Illuminating \Il*lu"mi*na`ting\, a. Giving or producing light; used for illumination. [1913 Webster]
  • Illuminating gas. See Gas, n., 2 (a) . [1913 Webster]

Definition of 'Illuminating'

From: GCIDE
  • Illuminate \Il*lu"mi*nate\, v. t. [imp. & p. p. Illuminated; p. pr. & vb. n. Illuminating.] [L. illuminatus, p. p. of illuminare; pref. il- in + luminare to enlighten, fr. lumen light. See Luminous, and cf. Illume, Illumine, Enlimn, Limn.]
  • 1. To make light; to throw light on; to supply with light, literally or figuratively; to brighten. [1913 Webster]
  • 2. To light up; to decorate with artificial lights, as a building or city, in token of rejoicing or respect. [1913 Webster]
  • 3. To adorn, as a book or page with borders, initial letters, or miniature pictures in colors and gold, as was done in manuscripts of the Middle Ages. [1913 Webster]
  • 4. To make plain or clear; to dispel the obscurity to by knowledge or reason; to explain; to elucidate; as, to illuminate a text, a problem, or a duty. [1913 Webster]