In a way that shows or expresses deep emotion or sympathy; with genuine feeling or sensitivity.
From 'feeling' (Old English 'felan' + '-ing') + '-ly' (adverbial suffix). Established in English by the 17th century to describe actions performed with emotional authenticity.
Shakespeare and other Renaissance writers used 'feelingly' to describe heartfelt speech or action—it became the adverbial gold standard for sincerity long before 'authentic' became trendy.
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