calmly
composedly
conservatively
coolly
cooly
decorously
demurely
dispassionately
earnestly
equably
evenly
formally
grandly
grave
gravely
grimly
imposingly
in balance
in moderation
in reason
judiciously
loftily
magisterially
majestically
moderately
nobly
prudently
regally
restrainedly
royally
sad
sedately
serenely
serious
seriously
sober-mindedly
sobersidedly
solemn
solemnly
somberly
soothingly
staidly
stately
steadily
subduedly
temperately