D defs.my
Entry 1 sense Webster, 1913

Supererogation

· Su·per·er·o·ga·tion · IPA /ˌs(j)uːpəɹɛɹəˈɡeɪʃ(ə)n/
01 n. The act of supererogating; performance of more than duty or necessity requires.
  1. 1.
    The act of supererogating; performance of more than duty or necessity requires.
Phrases & compounds
Works of supererogation — those good deeds believed to have been performed by saints, or capable of being performed by men, over and above what is required for their own salvation.