[1] : The Collaborative International Dictionary of English v.0.48

soundly \sound"ly\, adv.
   in a sound manner.
   1913 webster

[2] : WordNet (r) 2.0

soundly
     adv 1: deeply or completely; "slept soundly through the storm"; "is
            sound asleep" syn: sound
     2: in a complete and thorough manner `good' is sometimes used
        informally for `thoroughly'; "he was soundly defeated";
        "we beat him good" syn: thoroughly, good
see also:
sound thoroughly good 

Soundly >> S Words
Soundly, definition of term: Soundly
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