verb
make or become solid
Synonyms: amalgamate, anneal, bake, brace, buttress, cake, calcify, callous, cement, close, clot, coagulate, compact, congeal, consolidate, contract, crystallize, curdle, densify, dry, firm, fix, fortify, fossilize, freeze, gird, indurate, jell, nerve, ossify, petrify, precipitate, press, reinforce, set, settle, solidify, starch, steel, stiffen, strengthen, temper, thicken, toughen, vitrify
Antonyms: liquefy, melt, soften
verb
accustom
Synonyms: acclimate, acclimatize, adapt, adjust, blunt, brutalize, callous, callus, case-harden, climatize, coarsen, conform, deaden, develop, discipline, dull, embitter, habituate, indurate, inure, make callous, numb, paralyze, render insensitive, roughen, season, steel, stiffen, strengthen, stun, stupefy, teach, train
Antonyms: be intolerant, indulge, spoil