endeavor
verb / nounUK /ɪnˈdev.ər/
US /ɪnˈdev.ɚ/
To try very hard to do something.
She will endeavor to finish the race even if it is hard.
OTHER MEANINGS
2. A serious and careful attempt to do something.
The team's endeavor to build a new park succeeded.
3. A job or activity that takes a lot of work.
Writing a book is a long endeavor.
4. To make an effort toward a goal.
We endeavor to keep our classroom clean.