write in, majority, supermajority

Readers are moved to write in about the death of Michael Jackson
			The passing of 'The King of Pop' Michael Jackson has prompted many of our readers to write in. [more]

majority,

n., pl. -ties.
A specified majority of votes, such as 60 percent, required to approve a motion or pass legislation.

write in
1. Cast a vote by inserting a name not listed on the ballot, as in He asked them to write in his name as a candidate. [c. 1930]
2. Insert in a text or document, as in Please don't write in your corrections on the printed pages, but list them separately. [Late 1300s]
3. Communicate with an organization by mail, as in Listeners are being asked to write in their requests. [1920s]