Verb

• S: (v) harden, indurate (become hard or harder) "The wax hardened"
• S: (v) harden, indurate (make hard or harder) "The cold hardened the butter"
• S: (v) temper, harden (harden by reheating and cooling in oil) "temper steel"
• S: (v) season, harden (make fit) "This trip will season even the hardiest traveller"
• S: (v) inure, harden, indurate (cause to accept or become hardened to; habituate) "He was inured to the cold"
• direct troponym / full troponym
• direct hypernym / inherited hypernym / sister term
• S: (v) habituate, accustom (make psychologically or physically used (to something)) "She became habituated to the background music"
• S: (v) inure, harden, indurate (cause to accept or become hardened to; habituate) "He was inured to the cold"
• S: (v) teach (accustom gradually to some action or attitude) "The child is taught to obey her parents"
• S: (v) addict, hook (to cause (someone or oneself) to become dependent (on something, especially a narcotic drug))
• sentence frame