seasoned

(verb) lend flavor to. Synonyms: season, flavor, flavour. Example: "Season the chicken breast after roasting it."

(verb) make fit. Synonyms: season, harden. Example: "This trip will season even the hardiest traveller."

(verb) make more temperate, acceptable, or suitable by adding something else; moderate. Synonyms: temper, season, mollify. Example: "She tempered her criticism."

(adj) aged or processed. Synonyms: seasoned (vs. unseasoned). Example: "Seasoned wood."

(adj) rendered competent through trial and experience. Synonyms: veteran(prenominal). Examples: "A seasoned traveler." "Veteran steadiness." "A veteran officer."