Merriam-Webster's Collegiate® Dictionary, 11th Edition
TAME
I. adjective (tamer; tamest)
Etymology: Middle English, from Old English tam; akin to Old High German zam tame, Latin domare to tame, Greek damnanai Date: before 12th century reduced from a state of native wildness especially so as to be tractable and useful to humans ; domesticated , made docile and submissive ; subdued , lacking spirit, zest, interest, or the capacity to excite ; insipid , tamely adverb tameness noun
II. verb (tamed; taming)
Date: 13th century
transitive verb
1. to reduce from a wild to a domestic state, to subject to cultivation, to bring under control ; harness , to deprive of spirit ; humble , subdue , to tone down ; soften , intransitive verb to become tame, tamable or tameable adjective tamer noun