exercise

noun

1
the activity of exerting your muscles in various ways to keep fit
the doctor recommended regular exercise
he did some exercising
2
a task performed or problem solved in order to develop skill or understanding
you must work the examples at the end of each chapter in the textbook
3
systematic training by multiple repetitions
practice makes perfect
4
the act of using
he warned against the use of narcotic drugs
skilled in the utilization of computers
5
(usually plural) a ceremony that involves processions and speeches
academic exercises

1
do physical exercise
She works out in the gym every day
2
give a workout to
Some parents exercise their infants
My personal trainer works me hard
3
learn by repetition
We drilled French verbs every day
Pianists practice scales
4
put to use
exert one's power or influence
5
carry out or practice; as of jobs and professions
practice law

Also useful for “exercise”:Scrabble— High-value letters — see what it scores