Supportation 

the uncommonly used noun form of the word support.

I give my full supportation to the presidential candidate.

Supportation by jaxmwt December 10, 2010

Supportion

the support, or encouragement, given towards a thing

"You have my full supportion in this campaign!"

Supportion by DanceCrier April 16, 2008

Suppletation 

The process by which a young, maturing woman becomes supple; more specifically, the breasts.

God, when did Gertrude get such big hooters?!
Dude, over the summer, it's just simple suppletation. C'mon man, it's nature.

Suppletation by Doctor Julius Erving January 22, 2009

supportion

Supporting an idea of something.

"There are many different ways that one could look at “The Perfect Canadian,” which includes the support or refutation of the themes and ideas expressed in the content"

supportion by Tarah October 17, 2004