convincingly

from WordNet (r) 3.0 (2006)
convincingly
    adv 1: in a convincing manner; "he argued convincingly" [ant:
           {unconvincingly}]
    
from The Collaborative International Dictionary of English v.0.48
Convincingly \Con*vin"cing*ly\, adv.
   in a convincing manner; in a manner to compel assent.
   [1913 Webster]
    

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