I am a product of TOS but Star Trek didn't really do anything to improve my vocabulary. Initially, I don't think it was anything more than a really cool science fiction show with neat aliens, gadgets and bad-guys I wanted to take down. As I got older and started watching the episodes over I came to realize it was that and more. It was a really smart science fiction show and I was happy when I realized there was more to it than the 'coolness' - and I could understand it more on a different level. Didn't necessarily agree with everything - but it did expose me to a lot and gave me something more to think about.