agilely
agreeably
animatedly
anxiously
apace
ardently
at once
at short notice
avidly
breathlessly
charitably
cheerfully
de bonne volonte
eagerly
easily
effortlessly
enthusiastically
expeditiously
facilely
forwardly
freely
gladly
graciously
hands down
happily
immediately
impatiently
in no time
instantaneously
instanter
instantly
keenly
lightly
like clockwork
like nothing
nimbly
no sweat
on easy terms
on short notice
promptly
pronto
quickly
ready
right away
simply
smoothly
steadily