Is WordPress a CMS or not?

It's a open source CMS. Very easy to handle

yes for sure the wordpress is one of the most flexable content managment system. but sometimes we can use it as a framework for php for creating more advanced websites

yes wordpress is a cms. you can using wordpress and enjoying to create more beautiful language in short time

Yes. Wordpress is a CMS and you can easily creat your own website or blog. 

Yes, it is very good CMS and powerfull and eazy to handel CMS.

yes, wordpress is one of content management systems 

Wordpress is a CMS as we can manage our content in it.

yes wordpress is CMS . CMS stand for Content Management System.

YES wordpress is CMS and its open source

yes !

https://wordpress.org/about/

Yes, WordPress has CMS. Easy to handle CMS.