What is Viz.?

Legal Definition
A term sometimes used to mean any of the following: "namely," "that is to say," "as follows," or "to wit." After making a statement, a comma may be added, followed by viz., followed by more specific statements to illustrate the original point. A colon or comma usually separates viz. from the more specific statements.

Origin: Latin, abbreviation of videlicet, itself a contraction of videre licet ("it is permitted to see.")
Legal Definition
"Abbreviation of videlicet". Namely.
Legal Definition
A contraction for videlicet, to-wit, namely, that is to say.
-- Black's Law Dictionary
Legal Definition
Videlicet, which see.
-- Ballentine's Law Dictionary