When you want to take something further, there are several synonymous phrases that you can use. These include "advance," "proceed," "continue," "pursue," and "further pursue." Another option might be "escalate," which implies that you are amplifying or intensifying the situation. If you want to emphasize that you are building upon something that has already been established, you could say that you are "expanding upon" or "developing" the idea or project. To suggest that you want to delve deeper into a particular topic, you might use the phrase "explore further." Overall, when you want to take something further, there are many ways to express this concept in a way that suits your particular situation.