acclamation

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A shout or salute of enthusiastic approval.
• noun An oral vote, especially an enthusiastic vote of approval taken without formal ballot.

from The Century Dictionary.

• noun A shout or other demonstration of applause, indicating joy, hearty assent, approbation, or good will.
• noun In deliberative assemblies, the spontaneous approval or adoption of a resolution or measure by a unanimous viva voce vote, in distinction from a formal division or ballot.
• noun Something expressing praise or joy.

from the GNU version of the Collaborative International Dictionary of English.

• noun A shout of approbation, favor, or assent; eager expression of approval; loud applause.
• noun (Antiq.) A representation, in sculpture or on medals, of people expressing joy.
• noun (R. C. Ch.) In parliamentary usage, the act or method of voting orally and by groups rather than by ballot, esp. in elections
• noun are those on which laudatory acclamations are recorded.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A shout of approbation, favor, or assent; eager expression of approval; loud applause.
• noun The process of electing a person to a post in the absence of other nominees.
• noun art A representation, in sculpture or on medals, of people expressing joy.
• noun Canada, politics Without opposition in an election.
• noun politics An oral vote taken without formal ballot and with much fanfare; typically an overwhelmingly affirmative vote.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun enthusiastic approval