To believe, to think one grasps sufficiently despite potentially incomplete knowledge.
To stand underneath, to support.
To grasp a concept fully in one's mind, especially (of words, statements, art, etc.) to be aware of the meaning of and (of people) to be aware of the intent of.
To suppose; to dare say.
To bet something; to put it up as collateral.
Something deposited, laid, or hazarded on the event of a contest or an unsettled question; a bet; a stake; a pledge.
An offer to make oath.
A contract by which two parties or more agree that a certain sum of money, or other thing, shall be paid or delivered to one of them, on the happening or not happening of an uncertain event.
That on which bets are laid; the subject of a bet.