Approvance is a relatively uncommon word, and finding suitable synonyms can be a challenge. However, several words can be used in its place to convey a similar meaning. The word "approval" is a popular choice, indicating consent or agreement. Additionally, "endorsement" can be used to express support or affirmation. Other alternatives for approvance include "sanction", which suggests official permission, and "acquiescence", conveying passive agreement or acceptance. "Consent" can also serve as a synonym, emphasizing the granting of permission. While approvance may not have a wide range of synonyms, these alternatives capture the essence of the word and can be effectively used in its place.