Purifying

Sami is purifying his nafs.

"Frank, in Shinto fire festivals in Japan, fire is a purifying force. Lots of people carry torches." "Have you been in such a festival yourself, Don?" "No, I haven't yet."

Wetlands play important roles in the ecosystem in purifying water, protecting against flood and erosion, and as both a source of food and habitat for wild animals.

Science can help us develop new methods for purifying water.

If the poet has employed a life in battling with pernicious prejudices, in setting aside narrow views, in enlightening the minds, purifying the tastes, ennobling the feelings and thoughts of his countrymen, what better could he have done?

Medieval alchemists believed brimstone held purifying powers.

These ritual purifyings have taken place for thousands of years.