Majority

MAJORITY – the age at which one is legally no longer a minor

Merriam-Webster Online Dictionary
majority (noun)
1.
obsolete the quality or state of being greater
2.
a) the age at which full civil rights are accorded
b) the status of one who has attained this age
3.
a) a number or percentage equaling more than half of a total - a majority of voters a two-thirds majority
b) the excess of a majority over the remainder of the total - margin won by a majority of 10 votes
c) the greater quantity or share - the majority of the time
4.
the group or political party having the greater number of votes (as in a legislature)
5.
the military office, rank, or commission of a - major