Finding synonyms for the word "sanctifyingly" may be a challenge as it is a unique and specific term. However, some alternatives to this word could include "purifyingly," "salvifically," or "spiritually." These words share the same connotations as sanctifyingly in that they denote something that brings about a sense of purity, salvation, or spiritual transcendence. Other possible options could include "consecratingly," "hallowingly," or "redeemingly." Depending on the context in which the word is being used, there may be a variety of suitable synonyms to choose from that will effectively convey the intended meaning.