plan on v. 1. To have the plan of; have in mind.
■ Used with a verbal noun.
I plan on going to the movies after I finish my homework. Mary was planning on seeing John at the baseball game. Synonym: FIGURE ON.
2. To think you will do or have; be sure about; expect.
I'm hoping to go away for the weekend, but I'm not planning on it. We can't order the food for the party until we know how many people to plan on. We planned on Mary for the decorations, but she is sick. [TahlilGaran] English Idioms Dictionary ▲