[sub.junc.tive] adj [LL subjunctivus, fr. L subjunctus, pp. of subjungere to join beneath, subordinate] (1530): of, relating to, or constituting a verb form or set of verb forms that represents a denoted act or state not as fact but as contingent or possible or viewed emotionally (as with doubt or desire) "the ~ mood"
[2]subjunctive n (1622) 1: the subjunctive mood of a language
2: a form of verb or verbal in the subjective mood