One who holds the existence of matter to be from eternity.(noun)
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Use "eternalist" in a sentence
"The two extremes are the nihilist position and the eternalist position."
"Moreover, everything is devoid of all four extreme modes of impossible existence: true existence – the eternalist position, total nonexistence – the nihilist position, both – from one point of view eternalist, from another nihilist, neither – from one point of view, a manner of existence that is not eternalist; from another viewpoint, one that is not nihilist either."
"That is the eternalist view, that if we could just have this happiness or have enough of it or not lose it, this would eliminate all of our problems."