The term "wh-question" refers to a type of question that starts with one of the "wh" words, such as who, what, where, when, why, or how. These questions are used to gather information, clarify a situation, or start a conversation. However, there are several other synonyms for this term that you might come across, depending on the context. Some other common phrases for "wh-question" include interrogative sentence, ask-word question, information question, and open-ended question. Regardless of the wording used, the purpose behind these questions remains the same - to elicit a response that will help build understanding or move a situation forward.