supererogation

noun

1. (countable, uncountable)An act of doing more than is required.

   “And ſithence the very thunder-lightning of your admirable eloquence is ſufficiently available to ſtrike them with a lame palſie of tongue (if they be not already ſmitten with a ſenceleſſe apoplexy in head, which may eaſely enſue ſuch contagious catharres and reumes, as I am privy ſome of them have been grievouſly diſſeaſed withall), miſſe not, but hitt them ſuerly home, as they deſerve with Supererogation.”

   “And, therefore, it was thought a matter of supererogation to withdraw the nails and open the windows.”

2. (countable, uncountable)An action that is neither morally forbidden nor required, but has moral value.

   “For now let us look at the supererogation which would be contrasted with mutual aid. […] [T]here would be two fundamental types of supererogation. Supererogation 1 focuses on the same sorts of situations and the same sorts of aid covered by mutual aid, but removes the limit on the cost to the giver: […] Supererogation number 2 focuses not on situations where basic needs are threatened, but on well-being, […]”

   “According to standard definitions of supererogation, acts are supererogatory if and only if they are neither morally obligatory nor morally prohibited, but nevertheless have moral value (are morally good, etc.).”

   “Supererogation is the technical term for the class of actions that go “beyond the call of duty.” Roughly speaking, supererogatory acts are morally good although not (strictly) required. […] Surprisingly, the history of supererogation in non-religious ethical theory is fairly recent, starting only in 1958 with J. O. Urmson's seminal article, “Saints and Heroes.””