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plan on someone
to be ready for someone; to anticipate someone's arrival. Don't plan on Sam. He has a cold and probably won't come. We are planning on Ted and Bill.
plan on something
to prepare for something; to be ready for something; to anticipate something. If I were you, I would plan on a big crowd at your open house. This was not planned on.
1. Have as an aim or purpose, as in We had planned on going to the movies after dinner.
2. Anticipate, prepare for, as in We planned on you to make a speech, or They hadn't planned on such a big crowd. [Early 1900s]
1. To intend to do something: I plan on buying a house as soon as I get a promotion.
2. To anticipate or expect something: We planned on 50 people coming to our party, so we bought a lot of food. I didn't plan on being stuck in traffic for two hours.