entail – involve by necessity
(Pronounced en-tayl)
To remember the definition of the word entail, use the following mnemonic:
Chasing the end of her tail (entail) involved the dog running around and around in a circle by necessity.

Examples of entail in a sentence
The holiday party for three hundred guests will entail a lot of work from the event planner.
Before you take the job, you should know it would entail a lot of late night hours.
The school project will entail a great deal of research.