generous, liberal
serious, grave
dignified, sedate
appropriate to the occasion
elegant, refined
distinguished and accomplished
romantic
confident and at ease, free and easy
natural and at ease
comfortable and at ease
bold and unconstrained
free and easy, unrestrained
to not stress the small stuff
leisurely and carefree
derive pleasure from sth.
be carefree and content
fierce, harsh, severe
solemn, grave
naughty, mischievous
naughty, mischievous
lively, vivacious
be overactive
doughty as a dragon and lively as a tiger, bursting with energy
one’s duty, (to play) one’s part
crazy, arrogant
unbridled, wanton
rampant, raging
savage, furious