<p><strong>Verb</strong></p><ul><li>to carry out; execute; do: to perform miracles.</li><li>to go through or execute in the proper, customary, or established manner: to perform the marriage ceremony.</li><li>to carry into effect; fulfill: Perform what you promise.</li><li>Synonyms: effect, achieve, accomplish.</li><li>to enact (a play, part, etc.), as on the stage, in movies, or on television.</li><li>to render (music), as by playing or singing.</li><li>to accomplish (any action involving skill or ability), as before an audience: to perform a juggling act.</li><li>to complete.</li><li>to exhibit behaviors associated with (a particular social role or identity): This study investigates the ways in which biracial Americans perform race in their day-to-day lives.</li><li>to behave in ways that exhibit (a socially acceptable belief, trait, or quality), often merely for show: Nineteenth-century British women found in the antislavery movement a perfect way to perform empathy.</li></ul><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 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>