The quality of being facile; ease and fluency in speech or action, or the quality of being superficial and lacking depth.
From 'facile' plus -ness suffix forming abstract nouns. Traces back through Latin 'facilis' (easy) to 'facere' (to do).
The 'facileness' of modern social media—how easily we can share opinions without research—is sometimes celebrated as accessibility but criticized for lowering discourse quality!
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