Renunciation
Part of speech: noun
Definition: the act of rejecting or renouncing something as invalid the resignation of an ecclesiastical office
Example sentence: I'm no Buddhist monk, and I can't say I'm in love with renunciation in itself, or traveling an hour or more to print out an article I've written, or missing out on the N.B.A. Finals. But at some point, I decided that, for me at least, happiness arose out of all I didn't want or need, not all I did.
Repudiation
Part of speech: noun
Definition: The act of refusing to accept; the act of repudiating.