ἀσφαλίζω

Matthew 27:64 Command therefore that the sepulchre be made sure until the third day, lest his disciples come by night, and steal him away, and say unto the people, He is risen from the dead: so the last error shall be worse than the first. Matthew 27:65 Pilate said unto them, Ye have a watch: go your way, make it as sure as ye can. Matthew 27:66 So they went, and made the sepulchre sure, sealing the stone, and setting a watch. Acts 16:24 Who, having received such a charge, thrust them into the inner prison, and made their feet fast in the stocks.