1. undertake - Noun
2. undertake - Verb
To take upon one's self; to engage in; to enter upon; to take in hand; to begin to perform; to set about; to attempt.
Specifically, to take upon one's self solemnly or expressly; to lay one's self under obligation, or to enter into stipulations, to perform or to execute; to covenant; to contract.
Hence, to guarantee; to promise; to affirm.
To assume, as a character.
To engage with; to attack.
To have knowledge of; to hear.
To take or have the charge of.
To take upon one's self, or assume, any business, duty, or province.
To venture; to hazard.
To give a promise or guarantee; to be surety.
Source: Webster's dictionaryThe path of least resistance and least trouble is a mental rut already made. It requires troublesome work to undertake the alternation of old beliefs. John Dewey
Simple solutions seldom are. It takes a very unusual mind to undertake analysis of the obvious. Alfred North Whitehead
Old age is ready to undertake tasks that youth shirked because they would take too long. W. Somerset Maugham
In the end, you're measured not by how much you undertake but by what you finally accomplish. Donald Trump
All of you that intend to ring, you undertake a dangerous thing. English Proverb
Whatever you undertake let it be proportioned to your powers. Latin Proverb