A. Hoard
B. Tolerate
C. Forbear
D. Begin
Hoard : a stock or store of money or valued objects, typically one that is secret or carefully guarded.
Tolerate : bear, forbear, forebear, abide.
Forbear : bear, forbear, forebear, abide.
Begin : commence, induct.
Abstain : restrain oneself from doing or enjoying something.
Antonym of Abstain is Begin.