2
general::
verb give light to sth ADV. brightly, clearly | dimly, faintly, softly The room was dimly illuminated by the soft glow of his bedside lamp. | briefly | suddenly make sth clear ADV. greatly, vividly an incident which vividly illuminated the problems we faced VERB + ILLUMINATE help (to) The study of the present also helps to illuminate the past.
Oxford Collocations Dictionary