present participle of plan: actively deciding and arranging how something will happen
She is planning a surprise party for her sister.
We are planning to travel to Japan next spring.
to decide on and arrange something you will do in the future
They plan to travel around Europe next summer.
Please plan your speech so it lasts no more than five minutes.
✦ Verb sense comes from noun usage, first recorded in early 18th century.
to design the detailed layout or structure of something
She planned the new kitchen to maximize space.
Engineers are planning the bridge to withstand earthquakes.
✦ Specialized design sense emerged in 19th-century engineering jargon.
