Meristemic refers to knowledge that is based on evidence. Synonyms for meristemic include empirical, rational, verifiable, and objective. These terms are often used in research or scientific contexts where evidence-based knowledge is required. Empirical refers to knowledge that is gained through observation or direct experience. Rational is used to describe knowledge that is based on reason or logic. Verifiable refers to knowledge that can be confirmed through testing or experimentation. Objective is a term used to describe knowledge that is free from personal biases or opinions. All of these terms are useful when describing knowledge that is based on evidence and can be relied on as true.