1. to commit oneself to and begin (an enterprise or responsibility); take on
2. to guarantee or promise (to do something)
Usage: formal

Examples

• The company will undertake a major renovation of the building.
• She decided to undertake the challenging project despite the risks.
• The government undertook to reduce unemployment by five percent.
• He undertook the responsibility of caring for his elderly parents.
• The research team will undertake a comprehensive study of climate change.
• I undertake to complete the work by the deadline.
• The organization undertook several new initiatives this year.