ful‧filled /fʊlˈfɪld/ adjective
happy and satisfied because your life is interesting and you are doing useful or important things:
Adult education helps people achieve more fulfilled lives.

[TahlilGaran] Dictionary of Contemporary English ▲

satisfied feeling that something is as good as it should be, or that something has happened in the way that you want:
The teacher is satisfied with his progress.
another satisfied customer
happy [not before noun] satisfied. Happy is very commonly used instead of satisfied in everyday English:
The boss seems happy with my work.
I’m happy to work part-time until the kids are older.
pleased [not before noun] very satisfied:
I’m pleased with the results.
He came out looking pleased with himself.
content [not before noun] satisfied with what you are doing, so that you do not want to change anything:
She seemed content to just sit and watch the others.
Sam was quite content with his life on the farm.
fulfilled [not usually before noun] feeling that you have achieved enough in your life, and that you do not need things that are more interesting, important, or useful:
I enjoy being a mother, but to feel fulfilled I need to work too.

[TahlilGaran] English Thesaurus ▲