illustrare

verb
  1. The word 'illustrare' is not a standard English word. It appears to be a form of the Latin verb 'illustrare', which means 'to illuminate', 'to make clear', or 'to illustrate'. In English, it could be related to the word 'illustrate', which means to provide visual features or clarify something by giving examples. verb
    The artist was asked to illustrate the book with colorful drawings.
    The professor used diagrams to illustrate the complex concept.