#assiduity__assiduousness__assiduousnes  great and constant diligence and attention
  supertype:  industriousness__industriousnes__industry  persevering determination to perform a task; "his diligence won him quick promotions"; "frugality and industry are still regarded as virtues"
  subtype:  intentness__engrossment  the quality of being intent and concentrated; "the intentness of his gaze"
  subtype:  singleness  the quality of concentrating on one central objective: "his singleness of purpose"

No statement uses or specializes assiduity; click here to add one.