English
/ʌndəˈteɪkɪŋ/
noun
1.
a formal pledge or promise to do something.
“I give an undertaking that we shall proceed with the legislation”
Similar:
pledge, agreement, promise, oath
2.
a task that is taken on; an enterprise.
“a mammoth undertaking that involved digging into the side of a cliff face”
Similar:
enterprise, venture, project
campaign, scheme
plan, operation