illuminate verb

1 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

2 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.