Wis
Wis , adverb
[Aphetic form of iwis, ywis; or from Icelandic viss certain. See Ywis.]
Certainly; really; indeed. [Obsolete]
As wis God helpe me.
Wis , transitive verb
[Due to mistaking Old English iwis certain, Anglo-Saxon gewiss, for I wis. See Ywis.]
To think; to suppose; to imagine; -- used chiefly in the first person sing. present tense, I wis. See the Note under Ywis. [Obsolete or Poetic]
Howe'er you wis.
Nor do I know how long it is
(For I have lain entranced, I wis).