English Etymology From evaluate + -or. Pronunciation Audio (US):(file) Noun evaluator (plural evaluators) Agent noun of evaluate; one who evaluates. They were asked to program an expression evaluator that could determine the value of a numeric expression. Coordinate terms evaluand evaluatee Translations one who evaluates Maori: kaiaromatairua Swedish: bedömare (sv) c, värderare (sv) c, uppskattare c Tagalog: tagahalga Wikiwand - on Seamless Wikipedia browsing. On steroids.