A more thorough explanation:

Definition: To win or be successful in a particular situation or action. It can also mean to be commonly accepted or predominant.

Examples:

• The plaintiff prevailed in the court case and was awarded compensation.
• Despite the odds, the underdog team prevailed and won the championship.
• In some cultures, traditional values still prevail over modern ones.

The first example illustrates how someone can prevail in a legal situation by winning a court case. The second example shows how a team can prevail by winning a competition despite being considered the underdog. The third example demonstrates how traditional values can still be predominant in certain cultures.

Related term: prevarication (lying or avoiding the truth)