Noah Webster
Instead
INSTEAD, insted'. [a compound of in and stead, place; but stead retains its character of a noun, and is followed by of; instead of, in the same manner as in the stead of.]
In the place or room of.
Let thistles grow instead of wheat. Job 31:40.
Absalom made Amasa captain of the hose instead of Joab.
This consideration is instead of a thousand arguments. In this use, instead may be equivalent to equal to.
When instead is used without of following, there is an ellipsis, or some words are understood.