The phrase "very word" is commonly used to emphasize the seriousness or accuracy of something that was said or written. There are several synonyms that can be used to convey a similar idea. For example, "exact word" or "precise word" suggest a high level of accuracy or specificity. "Utterance" or "expression" convey the idea of something said or written in a formal or deliberate way. "Verbatim" indicates that the words are being repeated exactly as they were originally spoken or written. "Quotation" or "citation" emphasize the idea of using someone else's words to support a particular point. All of these synonyms can be used to convey the importance or significance of particular words or expressions.