'Prove' in the Bible

Prove thy servants, I beseech thee, ten days; and let them give us pulse to eat, and water to drink.

Now, just as you saw that the stone was cut out of the mountain without human hands and that it crushed the iron, bronze, clay, silver, and gold to pieces so also the great God has revealed to the king what will take place after this. Your dream will come true, and its meaning will prove trustworthy."

With smooth words [of flattery and praise] he will turn to godlessness those who [are willing to] disregard the [Mosaic] covenant, but the people who [are spiritually mature and] know their God will display strength and take action [to resist].