What does "Zionist" mean to you? I honestly don't understand what it means when Israel has existed as a Jewish state for 76 years and seems likely to continue doing so for the foreseeable future.
If you want to learn more you could do worse than follow Zachary Foster's lectures for the Rutgers Center:
https://www.youtube.com/results?search_query=zachary+foster+...
The podcast The Empire Never Ended has recently finished a rather good series on Meir Kahane, one of the most important influences on contemporary zionism: