[mod.al] adj [ML modalis, fr. L modus] (1569) 1: of or relating to modality in logic
2: containing provisions as to the mode of procedure or the manner of taking effect--used of a contract or legacy
3: of or relating to a musical mode
4: of or relating to structure as opposed to substance
5: of, relating to, or constituting a grammatical form or category characteristically indicating predication of an action or state in some manner other than as a simple fact
6: of or relating to a statistical mode -- mod.al.ly adv