All adverbs

thereby
by that means or because of that
 
slap-bang
in a violent or sudden or noisy manner
 
in utero
in the uterus
 
virulently
in a virulent manner
 
observingly
in an observant manner
 
funnily
in a strange manner
 
midweek
in the middle of the week
 
descriptively
by giving a description
 
understandingly
with understanding
 
unqualifiedly
without qualification or limitation
 
tenderly
with tenderness; in a tender manner
 
regionally
in a regional manner
 
forgetfully
in a forgetful manner
 
paternally
in a paternal manner
 
by all means
definitely or certainly
 
consequently
(sentence connectors) because of the reason given
 
very
precisely so
 
through
over the whole distance
 
wistfully
in a wistful manner
 
at leisure
in an unhurried way or at one's convenience
 
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