gladdere
Gladdere is a term found in some Scandinavian language contexts, especially in Norwegian and Danish, but it is not part of standard modern usage. It is typically described as an agent noun meaning “one who gladdens” or, more broadly, “a thing that brings joy.” The form is theoretically built from a base related to glad or glede (joy) with the common agent-noun suffix -er, a productive pattern in Norwegian and Danish.
Etymology and relation to other terms come from the same semantic field of happiness and pleasure. The
Usage and context tend to be limited. In practice, gladdere appears mainly in poetic, religious, or historical
See also: glad, glede, gleðja, gleði, joy. These related terms cover the broader lexical field of happiness