1. to commit oneself to and begin (an enterprise or responsibility); take on
Usage: third person singular present tense of ‘undertake’
2. to guarantee or promise (to do something)
Usage: formal

Examples

• She undertakes difficult projects with enthusiasm.
• The company undertakes research in renewable energy.
• He undertakes to finish the work by Friday.
• The organization undertakes various charitable activities.
• The contractor undertakes that all materials will be high quality.
• The team undertakes a comprehensive review each quarter.