Noun
The concluding part of an oration; especially, a final summing up and enforcement of an argument.
Source: Webster's dictionaryhe summarized his main points in his peroration Source: Internet
His maiden Senate speech was a paean to national greatness, whose peroration invoked John F. Kennedy and insisted that America remain the "watchman on the wall of world freedom." Source: Internet
The fact that his voice had begun to wear down into a hoarse whisper made him only more effective in his peroration. Source: Internet