[ adjective ] representing a level of the highest possible achievement or attainment
"the crowning accomplishment of his career"
Used in print(Edward E. Kelly, S.J., "Christian Unity in England"...)
Of_course , the crowning event that has dramatically upset the traditional pattern of English religious history was the friendly visit paid by Dr._Fisher , then Anglican Archbishop of Canterbury , to the Vatican last December .
[ adjective ] forming or providing a crown or summit
"the crowning star on a Christmas tree" "her hair was her crowning glory"