#serious-mindedness__seriousness__earnestness__sincerity  the trait of being serious; "a lack of solemnity is not necessarily a lack of seriousness"- Robert Rice
  exclusion:  frivolousness
  supertype:  trait  a distinguishing feature of one's personal nature
  subtype:  committedness__committednes  the trait of sincere and steadfast fixity of purpose; "a man of energy and commitment"
  subtype:  graveness__gravenes__sobriety__soberness__somberness  a manner that is serious and solemn
     subtype:  stodginess__stuffiness  dull and pompous gravity
  subtype:  sedateness__staidness__staidnes__solemness__solemnes  a trait of dignified seriousness

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