mid-15c., "flavored, spiced," past-participle adjective from season (v.). Meaning "fit for use" is from 1540s; that of "acclimatized, accustomed" is from 1640s.
a seasoned traveler
seasoned wood
seasick
seaside
season
seasonable
seasonal
seasoned
seasoning
seat
SEATO
Seattle
seavy
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