felicific

1. (rare, chiefly philosophy) Of, pertaining to, or producing pleasure or happiness.Examples: "Has conduct worth in and for itself, or only as its consequences are felicific as regards the social welfare?"; "It is plain that for Jane Austen the settled habit of moral behavior was of far more importance than spontaneity of moral response, though that in turn was preferable to a calculated weighing of advantages, a point well illustrated when Elizabeth ironically advises Jane that if she is in doubt about whether she ought to accept Bingley she should decide the matter by striking a felicific balance."; "The Langham is proof of the felicific power of good architecture, the power to promote, both in its inhabitants and in passers-by, happiness."rare