I think you would probably get away with "La Donna E Mobile" as long as you had an introductory verse explaining that you were walking out on a fine May morning (possibly in order to hear the small birds sing) when you happened to overhear a young Italian, and that these were the words he did say.....
I'm being flippant, but that is because I really do not care about the 1954 definition. It was a good try at the time, but just like folk songs, words are in the public domain and are used to mean what the public want them to mean, at that time. Words come and go and meanings change.
Cheers
Dave