1. past tense and past participle of treat; behaved toward someone in a particular way
2. gave medical care to someone
3. paid for someone’s food, drink, or entertainment

Examples

• She treated her employees with respect and kindness.
• The doctor treated his broken arm with a cast.
• My grandmother treated us to ice cream after dinner.
• The wood was treated with a special coating to prevent rot.
• He felt badly treated by his former boss.
• The patient was treated for pneumonia at the hospital.
• The water is treated with chemicals to make it safe to drink.