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The Collaborative International Dictionary
Reparteeing

Repartee \Rep`ar*tee"\, v. i. [imp. & p. p. Reparteed (-t?d"); p. pr. & vb. n. Reparteeing.] To make smart and witty replies. [R.]
--Prior.

Wiktionary
reparteeing

vb. (present participle of repartee English)