Manufacturers are testing new softeners to improve the feel of synthetic fabrics.

Of all the sweaters in her closet, the blue cashmere one was the softest.

The softening of the leather took longer than expected, so we adjusted the schedule.

She is softening the sauce over low heat to improve its texture.

We installed a softener in the basement to prevent limescale buildup in the pipes.

The softened butter spread easily over the warm toast.

The chef softened the butter before folding it into the batter.

He softens the edges of the sculpture with careful sanding.

The plumber installed a new water softener that uses an ion-exchange resin to remove calcium and magnesium from our hard water.

This pillow is softer than the one I bought last year.