#practicality  concerned with actual use rather than theoretical possibilities
  exclusion:  #impracticality
  supertype:  #usefulness__utility  the quality of being of practical use
  subtype:  #functionality  capable of serving a purpose well; "software with greater functionality"
  subtype:  #viability.practicality  capable of become practical and useful
  subtype:  #sensibleness  the quality of showing good sense or practical judgment
  subtype:  #realism  the attribute of accepting the facts of life and favoring practicality and literal truth

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