**Undertake** — to take on or agree to do (an obligation, task, responsibility, etc.).
Here are some examples of how to use the word «undertake»:
1. The company has undertaken to deliver the project by the end of the year.
2. She decided to undertake a challenging task of organizing a charity event.
3. We cannot undertake such a large-scale renovation without additional funding.
4. The government has undertaken reforms to improve the education system.
5. He agreed to undertake the role of a project manager despite the high workload.
6. They have undertaken a research study to investigate the effects of climate change.
7. The organization undertook a campaign to raise awareness about environmental issues.
8. She undertook a journey to explore new cultures and traditions.
9. The team has undertaken a series of tests to ensure the safety of the product.
10. He undertook a personal challenge to run a marathon in order to raise money for charity.