1590s, "one who enlightens," agent noun in Latin form from illustrate, or from Late Latin illustrator "an enlightener." Meaning "one who draws pictures" is 1680s.

person who draws, paints, or designs a visual complement to a piece of writing.

An artist who creates drawings, paintings, or designs to elucidate or embellish the text of a book or other printed publication. The illustrator of a children's picture book may receive higher ho [..]

Adobe Illustrator, application software for drawing maps, diagrams, logos and other complex mechanical illustrations. These are saved as AI

(n) an artist who makes illustrations (for books or magazines or advertisements etc.)

Creates visuals to convey the vision of the production designer.

An illustrator is a graphic artist who specializes in enhancing writing by providing a visual representation that corresponds to the content of the associated text. The illustration may be intended to [..]

a person who draws pictures (especially illustrations in books or magazines) Terry is one of the best illustrators of children's books in the country.