Definition of "Condition" :

noun: the procedure that is varied in order to estimate a variable's effect by comparison with a control condition

noun: information that should be kept in mind when making a decision

noun: an assumption on which rests the validity or effect of something else

noun: (usually plural) a statement of what is required as part of an agreement

"The contract set out the conditions of the lease."

noun: a mode of being or form of existence of a person or thing

"The human condition."

noun: a state at a particular time

"A condition (or state) of disrepair."

noun: an illness, disease, or other medical problem

"A heart condition."

noun: the state of (good) health (especially in the phrases in condition' or in shape' or out of condition' or out of shape')

verb: apply conditioner to in order to make smooth and shiny

"I condition my hair after washing it."

verb: put into a better state

"He conditions old cars."

verb: specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement

verb: develop (a child's or animal's) behavior by instruction and practice; especially to teach self-control

verb: establish a conditioned response