Usage examples "illustrate" :
Marsham, on his side , recalled with discomfort various small incidents in the House of Commons which might have seemed- to an enemy - to illustrate or confirm such an explanation of the state of things. - "The Testing of Diana Mallory", Mrs. Humphry Ward. Some history to illustrate. - "Life Blood", Thomas Hoover. Admirably as they illustrate the evolution of the bird from the reptile , they seem to represent a relatively poor development and spread of one of the most advanced organisms of the time . - "The Story of Evolution", Joseph McCabe.