verb/aʁ.bɔ.ʁe/
to sport (clothes, a badge etc.); to wear (a facial expression e.g. a smile, a frown); to fly, display (a flag)
“[…]comme enrobé dans les atours de Mme Molé (ou d'une autre), bannière d'une cause gynophile qui n'était pas la sienne mais qu'il aimait bien que sans droit, à arborer ainsi, soit qu'il la trouvât protectrice ou esthétique[…]” — […] when he appeared to be robed in the finery of Mme. Molé or some other woman, the banner of a gynaecophil cause which was not his own but which he loved, albeit without having the right to flaunt it thus, whether because he found it useful as a protection or aesthetically charming […]
Borrowed from Italian arborare.