Here are some possibilities for what you might be thinking of:
* "Falsify": This is a common word meaning to make something false or inaccurate, often with the intent to deceive.
* "Follow": This is a common verb meaning to go or come after someone or something.
* "Solidify": This means to make something firm or solid.
If you could provide more context, I might be able to help you figure out what word you're looking for. For example, what was the word used in? Was it part of a conversation, a written document, or something else?