noun A feeling of desire for new and exciting things.
his sense of adventure
noun A remarkable occurrence; a striking event.
a life full of adventures
noun A daring feat; a bold undertaking, in which dangers are likely to be encountered, and the issue is staked upon unforeseen events; the encountering of risks.
noun A mercantile or speculative enterprise of hazard; a venture; a shipment by a merchant on his own account.