(1)   The procedure that is varied in order to estimate a variable's effect by comparison with a control condition
(2)   Information that should be kept in mind when making a decision
"Another consideration is the time it would take"
(3)   An assumption on which rests the validity or effect of something else
(4)   (usually plural) a statement of what is required as part of an agreement
"The contract set out the conditions of the lease"
"The terms of the treaty were generous"
(5)   A mode of being or form of existence of a person or thing
"The human condition"
(6)   A state at a particular time
"A condition (or state) of disrepair"
"The current status of the arms negotiations"
(7)   The state of (good) health (especially in the phrases `in condition' or `in shape' or `out of condition' or `out of shape')


(8)   Apply conditioner to in order to make smooth and shiny
"I condition my hair after washing it"
(9)   Put into a better state
"He conditions old cars"
(10)   Specify as a condition or requirement in a contract or agreement; make an express demand or provision in an agreement
"The will stipulates that she can live in the house for the rest of her life"
"The contract stipulates the dates of the payments"
(11)   Train by instruction and practice; especially to teach self-control
"Parents must discipline their children"
"Is this dog trained?"
(12)   Establish a conditioned response


From , noun of action from perfect passive participle , + noun of action suffix .


  1. A logical clause or phrase that a conditional statement uses. The phrase can either be true or false.
  2. A requirement, term or requisite.
    Environmental protection is a condition for sustainability‚Äé.
    What other planets might have the right conditions for life?
    The union had a dispute over sick time and other conditions of employment.
  3. The health status of a medical patient.
    My aunt couldn't walk up the stairs in her condition.
  4. The state or quality.
    National reports on the condition of public education are dismal.
    The condition of man can be classified as civilized or uncivilized.
  5. A particular state of being.
    Hypnosis is a peculiar condition of the nervous system.
    Steps were taken to ameliorate the condition of slavery.
    Security is defined as the condition of not being threatened.
    Aging is a condition over which we are powerless.
  6. The situation of a person or persons, particularly their social and/or economic class, rank.
    A man of his condition has no place to make request.


  1. To undergo the process of acclimation.
    I became conditioned to the absence of seasons in San Diego.
  2. To subject to different conditions, especially as an exercise.
    They were conditioning their shins in their karate class.
  3. To shape the behaviour of someone to do something.