silvern, silvery -- (resembling or reminiscent of silver; "a soft silvern voice"; "singing in her silvery tones")
silver, silvern, silvery -- (having the white lustrous sheen of silver; "a land of silver (or silvern) rivers where the salmon leap"; "repeated scrubbings have given the wood a silvery sheen")
argent, silver, silvery, silverish -- (of lustrous grey; covered with or tinged with the color of silver; "silvery hair")