Meaning of “plan” - Learner’s Dictionary

plan

verb us uk /plæn/ present participle planning, past tense and past participle planned
She planned the trip with great care.Several hundred more layoffs are planned next month.She had absolutely no inkling that we were planning the party.He had to plan the conference very carefully.We need to plan further ahead.
THINK AND DECIDE

B1 to think about and decide what you are going to do or how you are going to do something:

We're just planning our trip.
As a manager, you've got to plan ahead.
I'd planned / the meeting for Friday.
plan to do sth

A2 to intend to do something:

He plans to go to college next year.
DESIGN [ T ]

to decide how something will be built:

We got an architect to help us plan our new kitchen.

(Definition of “plan verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)