Same word as indurate:
acclimate, acclimatize, amalgamate, anneal, bake, brace, buttress, cake, calcify, callous, caseharden, cement, close, clot, coagulate, compact, concrete, congeal, consolidate, contract, crystallize, curdle, densify, dry, firm, fix, fortify, fossilize, freeze, gird, jell, n
acclimate, acclimatize, amalgamate, anneal, bake, brace, buttress, cake, calcify, callous, caseharden, cement, close, clot, coagulate, compact, concrete, congeal, consolidate, contract, crystallize, curdle, densify, dry, firm, fix, fortify, fossilize, freeze, gird, jell, n