What is "studiousness"

Studious \Stu"di*ous\, a. [L. studious: cf. F. studieux. See Study.]

1. Given to study; devoted to the acquisition of knowledge from books; as, a studious scholar.

2. Given to thought, or to the examination of subjects by contemplation; contemplative.
   --Locke.

3. Earnest in endeavors; aiming sedulously; attentive; observant; diligent; -- usually followed by an infinitive or by of; as, be studious to please; studious to find new friends and allies.

   You that are so studious Of my affairs, wholly neglect your own.
   --Massinger.

4. Planned with study; deliberate; studied.

   For the frigid villainy of studious lewdness, . . . with apology can be invented?
   --Rambler.

5. Favorable to study; suitable for thought and contemplation; as, the studious shade. [Poetic]

   But let my due feet never fail To walk the studious cloister's pale.
   --Milton. [1913 Webster] -- Stu"di*ous*ly, adv. -- Stu"di*ous*ness, n.

n. The state or quality of being studious.

n. diligent study