"Thuswise" is a rarely used term that means "in this manner" or "in this way". It's often replaced by other synonyms that have more commonplace usage in modern English. Some possible synonyms for thuswise include "thereby", as in "he accomplished his goal thereby". Another possibility is "consequently", such as "he missed the deadline; consequently, he was fired". "Ergo" is another alternative, particularly in legal or philosophical contexts. Similarly, "hence", "therefore", "accordingly" and "so" can all be used interchangeably with "thuswise" to express a cause-and-effect relationship. Ultimately, the choice of synonym will depend on the specific context and intended meaning of the sentence.