D defs.my
Entry 1 sense Webster, 1913

Supererogate

· Su·per·er·o·gate · IPA /ˌsupəɹˈɛɹəˌɡeɪt/
01 v. i. To do more than duty requires; to perform works of supererogation; to atone (for a dificiency in another) by means of a surplus action or q…
imp. & p. p. Supererogated; p. pr. & vb. n. Supererogating
  1. 1.
    To do more than duty requires; to perform works of supererogation; to atone (for a dificiency in another) by means of a surplus action or quality.
    “The fervency of one man in prayer can not supererogate for the coldness of another.” Milton.