All adverbs

extensively
in a widespread way
 
point-blank
in a direct and unequivocal manner
 
one by one
apart from others
 
lispingly
with a lisp
 
asymptotically
toward an asymptote
 
herewith
(formal) by means of this
 
mildly
in a gentle manner
 
amicably
in an amicable manner
 
pleasingly
in a pleasing manner
 
scurrilously
in a scurrilously manner
 
stochastically
by stochastic means
 
feetfirst
with the feet foremost
 
dazzlingly
in a manner or to a degree that dazzles the beholder
 
unstintingly
in an unstinting manner
 
spinally
in the spine
 
dolce
gently and sweetly
 
under the circumstances
because of prevailing conditions
 
quixotically
in a quixotic manner
 
curiously
with curiosity
 
by small degrees
by a short distance
 
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