IPA: /ˈpeɪpəli/
KK: /ˈpæpəli/
In a manner relating to the pope or papacy.
The decisions were made papally, reflecting the authority of the church.
Papally → It is formed from "papa" (from Latin "papa", meaning father, specifically referring to the Pope) and the suffix "-ly" (meaning in the manner of). The word "papally" means in the manner of the Pope or relating to the Pope.
Think of the word 'papa' which means father, and remember that 'papally' refers to actions or manners that relate to the Pope, the father of the Church.