To triumph, crow, relish, glory, revel.
To exhibit a conspicuous (sometimes malevolent) pleasure or sense of self-satisfaction, often at an adversary's misfortune.
An act or instance of gloating.
To repent of or regret (some past action or event); to wish that a past action or event had not taken place.
Any of various perennial shrubs of the genus Ruta, especially the herb Ruta graveolens (common rue), formerly used in medicines.