B1
to arrange for something to happen at a later time
Dictionary examples:
The teacher postponed the test, and suddenly everyone remembered how to breathe. (0.0)
I postponed learning to cook until my stomach threatened to leave me. (0.0)
I postponed my diet until after the all-you-can-eat pizza festival. (0.0)
We had to postpone visiting my sister because our children were sick. (30.9)
They decided to postpone their trip to Mexico until next year. (35.3)