Showing or characterized by trust; having confidence in others' honesty or reliability. Inclined to believe in the good faith of others.
From Old Norse 'traust' meaning help or confidence, through Middle English. The concept evolved from physical support (like a truss) to emotional and social reliance.
Trust is one of the few human traits that's both our greatest strength and vulnerability - trusting people build stronger societies but can be more easily exploited. Interestingly, children are naturally trusting, and we have to learn when not to trust, making it perhaps our default social setting.
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