<p><strong>Adjective</strong></p><ul><li>Serving to indicate or point out; stimulating interest as a means of furthering investigation.</li><li>Encouraging a person to learn, discover, understand, or solve problems independently, as by experimenting, evaluating possible answers or solutions, or by trial and error: The course uses a heuristic teaching method to allow students to find answers without being directly taught.</li><li>Of, relating to, or based on experimentation, evaluation, or trial-and-error methods.</li><li>Pertaining to a trial-and-error method of problem solving used when an algorithmic approach is impractical.</li></ul><p><strong>Noun</strong></p><ul><li>A heuristic method of argument.</li><li>The study of heuristic procedure.</li></ul>