Synonyms of the word

curable

• adj. Capable of being cured.

hardened

• v. simple past tense and past participle of harden.
• adj. Unfeeling or lacking emotion due to experience; callous.

tempered

• adj. Of one's disposition.
• adj. Pertaining to the metallurgical process for finishing metals.
• adj. Of something moderated or balanced by other considerations.
• adj. (music) Pertaining to the well-tempered scale, where the twelve notes per octave of the standard keyboard…
• v. simple past tense and past participle of temper.

toughened

• v. simple past tense and past participle of toughen.

treated

• v. simple past tense and past participle of treat.