IPA: /ˈpeɪpəl/
KK: /ˈpeɪpəl/
Relating to the pope or the Roman Catholic Church.
The papal decree was announced during the ceremony.
Papal → It is formed from "papa" (from Latin "papa", meaning father) and the suffix "-al" (meaning pertaining to). The word "papal" refers to something that pertains to the Pope or the papacy, essentially meaning related to the father of the Church.
Think of 'papa' meaning father, and remember that 'papal' refers to things related to the father of the Church, the Pope.