become firm

Her vision of life had vastly enlarged; her intellect had flowered; her grasp of practicalities had become firm and sure.

The hocks contain considerable gelatine, so they are used for dishes that solidify, or become firm, after they are made.

Before the ice has become firm, and while it is breaking up, the communication is difficult and hazardous.

Whip until it begins to thicken and then pour into moulds to become firm.

Watch carefully and when just beginning to become firm it is rare.