<p><strong>Noun</strong></p><ul><li>a musical, dramatic, or other entertainment presented before an audience.</li><li>the act of performing a ceremony, play, piece of music, etc.</li><li>the execution or accomplishment of work, acts, feats, etc.</li><li>a particular action, deed, or proceeding.</li><li>an action or proceeding of an unusual or spectacular kind: His temper tantrum was quite a performance.</li><li>the act of performing.</li><li>the manner in which or the efficiency with which something reacts or fulfills its intended purpose.</li><li>Linguistics: the actual use of language in real situations, which may or may not fully reflect a speaker's competence, being subject to such nonlinguistic factors as inattention, distraction, memory lapses, fatigue, or emotional state.</li></ul>