See Also:

upon(1) (iou)



upon adverb. Long arch. ME.
[from the preposition.]
a. On something indicated or specified; in or to a position on a surface or object. ME-L16.
b. Of clothing etc.: on the body. LME.
c. In a direction towards something indicated or specified. LME-L16.
Thereafter, thereupon. LME-E17.