Merriam-Webster's Collegiate® Dictionary, 11th Edition
PLAN
I. noun see: floor
Date: 1706
a drawing or diagram drawn on a plane: as, a top or horizontal view of an object, a large-scale map of a small area,
2. a method for achieving an end, an often customary method of doing something ; procedure , a detailed formulation of a program of action, goal , aim , an orderly arrangement of parts of an overall design or objective, a detailed program (as for payment or the provision of some service) , planless adjective planlessly adverb planlessness noun Synonyms: see: plan
II. verb (planned; planning)
Date: 1728
transitive verb to arrange the parts of ; design , to devise or project the realization or achievement of , to have in mind ; intend , intransitive verb to make plans , to have a specified intention, planner noun