any specific behavior | the activity of exerting your muscles in various ways to keep fit |
the trait of being active; moving or acting rapidly and energetically | a task performed or problem solved in order to develop skill or understanding |
an organic process that takes place in the body | systematic training by multiple repetitions |
a process existing in or produced by nature (rather than by the intent of human beings) | the act of using |
the state of being active | an action, often used negatively and without consequences |
(chemistry) the capacity of a substance to take part in a chemical reaction | (usually plural) a ceremony that involves processions and speeches |