Which preposition to use with equilibratory

of Occurrences 1%

It was also John Wingfield, Sr.'s boast to himself that he had never been beaten, which average mortals with the temerity to say "Nonsense!"that most equilibratory of wordsmight have diagnosed as a bad case of self-esteem finding a way to forget the resented incidental reverses of success.

Which preposition to use with  equilibratory