planner

noun
plan·​ner | \ ˈpla-nər How to pronounce planner (audio) \
plural planners

Definition of planner

1 : a person who plans something a party planner a careful planner often : one whose job is to create a comprehensive or systematic plan or design within a particular field or for a particular project … the thrust of the book is not location theory or regional economic development, but rather the nuts and bolts of concern to government planners and local chambers of commerce. — Edward Malecki While most planners agree that there is enough water in Arizona to support the people currently living there, the allocation and use of water in the Phoenix area is a vital issue for residents … — Charles Sargent We talked to our financial planner about how to save enough money for retirement.
2 : something (such as a device, program, or notebook) that provides a schedule and is used for planning activities, travels, etc. an online trip planner a monthly/daily planner