PEML, also known as Property and Event Markup Language, is a formal language used to represent and manipulate real-world information. However, if you are looking for synonyms for the term "PEML," you may be referring to programming languages or technologies that are similar in nature. Some of these synonyms may include XML, JSON, RDF, OWL, and GML. XML or eXtensible Markup Language is a widely used language for data exchange and storage, while JSON or JavaScript Object Notation is a lightweight format often used for client-server communication. RDF or Resource Description Framework is a language for representing information in the web, while OWL or Web Ontology Language is used for the semantic representation of knowledge. Finally, GML or Geographical Markup Language is specifically used for geographic data.