All adverbs

altruistically
in an altruistic manner
 
gruesomely
in a gruesome manner
 
pungently
with pungency; in a pungent manner
 
philosophically
in a philosophic manner
 
lugubriously
in a sorrowful lugubrious manner
 
afield
far away from home or one's usual surroundings
 
algebraically
in an algebraic manner
 
conceitedly
with conceit; in a conceited manner
 
only when
never except when
 
comfortingly
in a comforting or consoling manner
 
ardently
in an ardent manner
 
intolerably
to an unacceptable degree
 
ie
that is to say; in other words
 
reservedly
with reserve; in a reserved manner
 
personally
in a personal way
 
captiously
in a captious, carping manner
 
confidently
with confidence; in a confident manner
 
backstage
out of view of the public; behind the scenes
 
at large
in a general fashion
 
if not
perhaps; indicating possibility of being more remarkable (greater or better or sooner) than
 
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