-lē, -li adverb
Etymology: Middle English, from sound (I) + -ly
: in a sound manner: as
a. : on a solid basis : securely
has established himself soundly in his work — Bulletin of Bates College
b. : deeply , profoundly
slept soundly through the storm
c. obsolete : in an orthodox manner : correctly
d. : thoroughly
the wound healed soundly
e. : with good sense or judgment : in accordance with sound principles
an organization administered soundly
teachers … soundly trained — Eric Ashby
f. : violently , severely
shook her soundly — Pearl Buck