Harden

v. t.	1.	To make hard or harder; to make firm or compact; to indurate; as, to harden clay or iron. [imp. & p. p. Hardened (-'nd); p. pr. & vb. n. Hardening (-'n*ĭng).]
	2.	To accustom by labor or suffering to endure with constancy; to strengthen; to stiffen; to inure; also, to confirm in wickedness or shame; to make unimpressionable. I would harden myself in sorrow. - Job vi. 10.
v. i.	1.	To become hard or harder; to acquire solidity, or more compactness; as, mortar hardens by drying. The deliberate judgment of those who knew him [A. Lincoln] has hardened into tradition. - The Century.
	2.	To become confirmed or strengthened, in either a good or a bad sense. They, hardened more by what might most reclaim. - Milton.

Verb	1.	harden - become hard or harder; "The wax hardened" Synonyms: indurate Antonyms: soften - become soft or softer; "The bread will soften if you pour some liquid on it"
	2.	harden - make hard or harder; "The cold hardened the butter" Synonyms: indurate Antonyms: soften - make soft or softer; "This liquid will soften your laundry"
	3.	harden - harden by reheating and cooling in oil; "temper steel" Synonyms: temper
	4.	harden - make fit; "This trip will season even the hardiest traveller" Synonyms: season
	5.	harden - cause to accept or become hardened to; habituate; "He was inured to the cold" Synonyms: inure, indurate

acclimate, acclimatize, accommodate, accustom, adapt, adjust, anneal, be tough, beef up, brace, brace up, break, break in, brutalize, buttress, cake, calcify, callous, case harden, caseharden, compact, concrete, condition, confirm, conform, congeal, consolidate, cornify, crystallize, densify, domesticate, domesticize, dry, endure, establish, familiarize, firm, fix, fortify, fossilize, freeze, gentle, gird, habituate, hang tough, housebreak, indurate, intensify, inure, invigorate, lapidify, lithify, naturalize, nerve, orient, orientate, ossify, prop, refresh, reinforce, reinvigorate, restrengthen, season, set, shore up, solidify, steel, stiffen, strengthen, support, sustain, tame, temper, toughen, train, turn to stone, undergird, vitrify, wont