definiteness

Concise Oxford English Dictionary © 2008 Oxford University Press:
definite/ˈdefɪnət/

▶adjective

• 1 clearly stated or decided; not vague or doubtful.

  ■ (of a person) certain or sure about something.

• 2 clearly true or real.

• 3 having exact and discernible physical limits.

– derivatives
definiteness noun.

– origin C16: from L. definitus ‘defined, set within limits’, past part. of definire (see define).