Mo"dal (?), a. [Cf. F. modal. See Mode.]

1.

Of or pertaining to a mode or mood; consisting in mode or form only; relating to form; having the form without the essence or reality.

Glanvill.

2. Logic & Metaph.

Indicating, or pertaining to, some mode of conceiving existence, or of expressing thought.

 

© Webster 1913.