<p><strong>Adjective</strong></p><ul><li>having necessary power, skill, resources, or qualifications; qualified</li><li>having unusual or superior intelligence, skill, etc.: an able leader</li><li>showing talent, skill, or knowledge: an able speech</li><li>legally empowered, qualified, or authorized</li></ul><p><strong>Noun</strong></p><ul><li>Usually Able. a code word formerly used in communications to represent the letter A.</li></ul>