The quality of being laudable; praiseworthiness; commendableness.(noun)
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Use "laudableness" in a sentence
"_Fellow Cooks_, that I might give a testimony to my _Countrey_ of the _laudableness of our Profession_, that I might encourage young"
"But it must be remembered that such sentiments, from their very universality and evident laudableness, need correctives, for they bear in themselves a great danger of excess or of precipitancy."
"The antithesis is not a good one, between the difficulty of Jeanie's 'personal exertions' and the laudableness of the motive which led to them."