serious-mindedness

ardor devotion enthusiasm fervor firmness intensity sincerity solemnity tenacity urgency warmth zeal

absorption attentiveness concentration decision deliberation doggedness eagerness engrossment gravity intentness keenness passion perseverance persistence purposefulness resolution resolve sobriety stress vehemence

apathy coldness coolness indifference lethargy weakness

idleness indecision indolence question unimportance wavering

flippancy insincerity

earnestness gravity sincerity solemnity

calmness coolness earnest intentness sedateness sobriety staidness sternness thoughtfulness

sober-mindedness

insincerity unimportance

funniness humor lightness triviality