The word "validators" can be replaced by several synonyms depending on the context. One of the synonyms is "verifiers", which means someone or something that checks the accuracy or truthfulness of a statement or situation. Another synonym may be "attesters", which refers to people or processes that affirm the validity of something. "Authenticators" is another option, which signifies a person or device that ensures that something is genuine or legitimate. Additionally, the word "approver" can be used to denote someone who gives official authorization or consent to something. All these synonyms share the same underlying meaning of confirming or verifying the truth or validity of a statement or situation, but they have distinct nuances that make them suitable for different circumstances.