from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A fixed mental attitude or disposition that predetermines a person's responses to and interpretations of situations.
- n. An inclination or a habit.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A way of thinking; an attitude or opinion, especially a habitual one.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a habitual or characteristic mental attitude that determines how you will interpret and respond to situations
From mind + set. (Wiktionary)