Source : Webster's Revised Unabridged Dictionary (1913)

Stainless \Stain"less\, a.
   Free from stain; immaculate. --Shak.

         The veery care he took to keep his name Stainless, with
         some was evidence of shame.              --Crabbe.

   Syn: Blameless; spotless; faultless. See {Blameless}.

Source : WordNet®

stainless
     adj : of reputation; "his unsullied name"; "an untarnished
           reputation" [syn: {unstained}, {unsullied}, {untainted},
            {untarnished}]