When it comes to expressing the idea of extending something to another, there are a variety of synonyms you can use in order to get your point across. Some alternatives for "extended to" might include phrases like "reached out to," "offered to," "presented with," or "granted access to." Depending on the context, you may also be able to incorporate words like "expanded," "stretched," or "prolonged" in order to capture the sense of something being extended beyond its original boundaries. Ultimately, the specific synonym you choose may depend on the tone and purpose of your writing, as well as the relationship between the parties involved.