The Collaborative International Dictionary of English v.0.48:
Notability \Not`a*bil"i*ty\, n.; pl. Notabilities. [Cf. F. notabilit['e] .] 1. Quality of being notable. [1913 Webster] 2. A notable, or remarkable, person or thing; a person of note. "Parisian notabilities" --Carlyle. [1913 Webster] 3. A notable saying. [Obs.] --Chaucer. [1913 Webster]