1. truthiness (noun)
1 : “truth that comes from the gut, not books” (Stephen Colbert, Comedy Central’s “The Colbert Report,” October 2005)
2 : “the quality of preferring concepts or facts one wishes to be true, rather than concepts or facts known to be true” (American Dialect Society, January 2006)

2. google
3. decider
4. war
5. insurgent
6. terrorism
7. vendetta
8. sectarian
9. quagmire
10. corruption

Based on votes from visitors to Merriam-Websters website Webster.com site