We don't have synonyms for gauding yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are gauging, lauding and gadding.
(v) :
(obsolete) To bedeck gaudily; to decorate with gauds or showy trinkets or colours; to paint.
(n) :
Alternative form of Gaur (“ancient Bengali city”). [An ancient Bengali city presently divided between Bangladesh and India, named Lakhnauti in the 12th century C.E. and Jannatabad in the 16th century.]
(v) :
(obsolete) To bedeck gaudily; to decorate with gauds or showy trinkets or colours; to paint.
(n) :
Alternative form of Gaur (“ancient Bengali city”). [An ancient Bengali city presently divided between Bangladesh and India, named Lakhnauti in the 12th century C.E. and Jannatabad in the 16th century.]