To begin happening, or begin something, to start.

The year's commences are at the 1st of Januari.
by Jafje April 18, 2007
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the act of initiating the consumption of alcoholic beverages, quickly and efficiently
Hey Dana and Joel, Let us commence. It is Thursday!
by commencer extrodinaire November 20, 2010
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Commencement is an another word for graduation which refers to a ceremony someone would be bound to attend after he or she finishes their entire school work(or after they did a certain required amount of work as to do so) before going out into the society(or move ahead in order to recieve more advanced education)
"Man....never thought I can get this far...
I mean, it's hard to believe....
that my school life is...finally OVER."

"Need not to worry about it for now, as the word tells,

'Commencement' might indicate the end of your school life

but it also contains the definition of 'the beginning'.

It's too soon to say that it's over,

by SCL0315 December 30, 2011
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start something
Cause trouble, especially a quarrel or fight, as in Stop bringing that up—do you want to start something
The first set relate as usual to the hour of commencement, the second to the hours of occurrence of lightning causing fires.
by ... Zjdbckdnznsjd September 1, 2019
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Best album ever made! Created by Deadsy.
I just got Deadsy's Commencement, I can now end my fullfilled life!
by Toliy December 23, 2004
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Normally muttered by section/ fire team commander before going into an attack. Can also be used to signify the start of a particularly ridiculous social antic, or any other event worthy of the aphorism.
Right lads, target at 100, straight ahead. Commence dicking!
by superfunhappytimes February 17, 2010
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To leave one place in order to go to another place that is infinitely more entertaining, such as leaving a house to go to a party.

most commonly used to tell someone that you're coming, and leaving you're current position.
"Aight then, you coming?"
"yeah, i'll commence intense mamboage in a minute."
"party on."
by Bob Dole June 12, 2006
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