ămābĭlĭtas, ātis, f. [amabilis],
loveliness , amiableness (only ante- and postclass.): si amabilitas nostra tibi placet, Plaut. Stich. 5, 4, 58: qui amabilitati animum adiceret, devoted himself to loveliness , id. Poen. 5, 4, 1.—Hence in late Latin as a term of endearment: ad amabilitatem tuam litteras mitto, to your Amiability , Symm. 7, 3.