Learn how to say Notableness correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word notable:
worthy of attention or notice; remarkable:
the gardens are notable for their collection of magnolias and camellias
the results, with one notable exception, have been superb
a famous or important person:
businessmen and local notables
Middle English: from Old French, from Latin notabilis ‘worthy of note’, from the verb notare ‘to note, mark’