Members of royal families from many nations gathered for the new queen's

foundry
coronation
domain
(2 inflation

ary terms)

1. Inflation: a sustained increase in the general price level of goods and services in an economy over a period of time, usually resulting in a decrease in the purchasing power of a currency.

2. Coronation: a ceremony in which a monarch is formally crowned and invested with regal power and authority. It marks the beginning of their reign.

Please note that the other two terms, "foundry" and "domain," are not directly related to inflation or coronation.