Adverb
in such a manner as could not be otherwise
Source: WordNetNo one has ever proved that a human being, through his descent from a certain group of people, must of necessity have certain mental characteristics. Franz Boas
Learning carries within itself certain dangers because out of necessity one has to learn from one's enemies. Leon Trotsky
Make a virtue of necessity. Geoffrey Chaucer
Although in our country the Chief Magistrate must almost of necessity be chosen by a party and stand pledged to its principles and measures, yet in his official action he should not be the President of a part only, but of the whole people of the United States. James K. Polk
He that buys the office of magistrate must of necessity sell justice. Italian Proverb
Make a virtue of necessity. Latin Proverb