sponsion noun. ['spɒnʃ(ǝ)n] M17.
[Latin sponsio(n-) from spons-: see SPONSOR noun, -ION.]
1. Roman Law. A pledge to pay a certain sum to the other party in a suit in the event of not proving one's case. M17.

2. A solemn or formal promise, esp. one made on behalf of another; the action or an act of standing surety for another. L17.
b. A promise made on behalf of the State by an agent not authorized to do so. L18.

[TahlilGaran] English Dictionary ▲