I . v. a.
1.
Indurate, make hard, make callous.
2.
Habituate, inure, season, accustom, form, train, discipline.
3.
Strengthen, fortify, steel, nerve, brace.
4.
Sear, make callous, render insensible or unimpressible, make unfeeling.
5.
Make obdurate, confirm in wickedness.
II . v. n.
Grow or become hard, indurate.