\Con*di"tion*al\, a. [L. conditionalis.]
1. Containing, implying, or depending on, a condition or
   conditions; not absolute; made or granted on certain
   terms; as, a conditional promise.
         Every covenant of God with man . . . may justly be
         made (as in fact it is made) with this conditional
         punishment annexed and declared.      --Bp.
                                               Warburton.
2. (Gram. & Logic) Expressing a condition or supposition; as,
   a conditional word, mode, or tense.
         A conditional proposition is one which asserts the
         dependence of one categorical proposition on
         another.                              --Whately.
         The words hypothetical and conditional may be . . .
         used synonymously.                    --J. S. Mill.

\Con*di"tion*al\, n.
1. A limitation. [Obs.] --Bacon.
2. A conditional word, mode, or proposition.
         Disjunctives may be turned into conditionals. --L.
                                               H. Atwater.