adjective
- of, relating to, or serving as an illustration; used to explain or clarify something
Usage: formal; often used in academic or technical contexts
Examples
- The textbook included illustrational diagrams to help students understand the concept.
- Her illustrational examples made the complex theory much easier to grasp.
- The artist provided illustrational sketches alongside the written proposal.
- These illustrational materials are designed to support the main argument.
- The museum used illustrational photographs to document the historical event.