re·nun·ci·a·tion 
(rĭ-nŭn′sē-āshən)
(rĭ-nŭn′sē-āshən)n.
1. The act or an instance of renouncing: the renunciation of all earthly pleasures.
2. A declaration in which something is renounced.
[Middle English, from Anglo-Norman renunciacion, from Latin renūntiātiō, renūntiātiōn-, from renūntiātus, past participle of renūntiāre, to renounce; see RENOUNCE.]
re·nunci·a′tive, re·nunci·a·to′ry (-ə-tôr′ē) adj.