"Levied upon" is a phrase that often appears in legal documents and refers to the act of imposing a fee or tax on something. There are various synonyms that can be used in place of this phrase, including assessed, charged, collected, imposed, taxed, requisitioned, gathered, and demanded. These words are often used interchangeably with "levied upon" to convey the same meaning. It's important to note that the use of synonyms in legal documents can help to reduce repetition and make the text more readable. Therefore, using synonyms for the term "levied upon" can help to make legal documents more clear and concise.