机智

quick-witted; witty; tactful; clever; resourceful; shrewd; astute; subtle; mercurial; intelligent; sharp-witted; bright; wit; resourcefulness; ingenuity; cleverness; shrewdness; gumption; quickness; acumen; nous

果断

resolute; firm; determined; positive; purposeful; decisive; ruthless; incisive; assertive; vigorous; unhesitating; resolutely; firmly; decisively; decidedly; unhesitatingly; square; manfully; resolution; decision; decisiveness; determination