illuminative

/ɪˈluːmɪnətɪv/
adjective
  1. Serving to provide understanding or insight; enlightening.
    • The documentary was highly illuminative about the lives of deep-sea creatures.
    • The teacher's illuminative comments helped the students grasp the topic.
    • Her illuminative essay changed how I think about history.
  2. Serving to give light; lighting up.
    • The illuminative effect of the sunrise filled the room with warmth.
    • The illuminative system in the museum highlighted the artwork perfectly.
    • The illuminative properties of the new lamp were remarkable.
Antonyms
What does "illuminative" mean? | whatsthatwordmean | whatsthatwordmean