Illustration1. (n.) The act of illustrating; the act of making clear and distinct; education; also, the state of being illustrated, or of being made clear and distinct.
2. (n.) That which illustrates; a comparison or example intended to make clear or apprehensible, or to remove obscurity.
3. (n.) A picture designed to decorate a volume or elucidate a literary work.
Thesaurus Entries
abstract, abstraction, acrylic painting, allegorization, alphabet, altarpiece, art, block print, blueprint, case, case history, case in point, charactering, characterization, chart, choreography, citation, clarification, collage, color print, coloring, conventional representation, copy, cracking, cross reference, cyclorama, dance notation, daub, decipherment, decoding, delineation, demonstration, demythologization, depiction, depictment, diagram, diptych, drama, drawing, editing, elucidation, emblem, emendation, encaustic cerography, encaustic painting, engraving, enlightenment, euhemerism, example, exegesis, exemplar, exemplification, explanation, explication, exponent, exposition, expounding, figuration, figure, finger painting, flower painting, for instance, fresco, fresco painting, genre painting, gouache, grisaille, hieroglyphic, icon, iconography, ideogram, illumination, image, imagery, imaging, impasto, instance, item, letter, light, likeness, limning, logogram, logograph, map, miniature, monochrome, montage, mosaic, mural, mural painting, musical notation, notation, object lesson, oil painting, painting, panorama, particular, photograph, pictogram, picture, picturization, plan, portraiture, portrayal, poster painting, prefigurement, presentment, print, printing, problem, projection, quotation, rationale, realization, reason, reference, relevant instance, rendering, rendition, representation, representative, reproduction, sample, sampling, schema, score, script, simplification, solution, specimen, stained glass window, stencil, still life, syllabary, symbol, tablature, tableau, tapestry, the brush, triptych, type, typical example, unlocking, wall painting, wash, wash drawing, writing