S: (v) change (undergo a change; become different in essence; losing one's or its original nature) "She changed completely as she grew older"; "The weather changed last night"
S: (adj) tempered, treated, hardened, toughened (made hard or flexible or resilient especially by heat treatment) "a sword of tempered steel"; "tempered glass"
S: (adj) hardened (protected against attack (especially by nuclear weapons)) "hardened missile silos"
S: (adj) enured, inured, hardened (made tough by habitual exposure) "hardened fishermen"; "a peasant, dark, lean-faced, wind-inured"- Robert Lynd; "our successors...may be graver, more inured and equable men"- V.S.Pritchett
S: (adj) hardened, set (converted to solid form (as concrete))