Something that motivates; an inducement or incentive.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "motivation" in a sentence
"My main motivation is to learn the language of my husband so I can speak into his heart in his own language (we usually speak to each other in our second language – English - and it can be frustrating sometimes because of the misunderstandings) and since we are planning to start a family soon, we want our children to be trilingual too."
"I'm still unsure about this one; it could turn out really cool, or an absolute disaster ... my main motivation is that i don't wanna spend money on a haircut. decisions, decisions purchase any of the following: Kindle, iPod Touch, or MacBook"
"Their main motivation is self-protection, second target shooting."