Nouns

(n)condition, statusa state at a particular time“a condition (or state) of disrepair”, “the current status of the arms negotiations”
(n)condition, precondition, stipulationan assumption on which rests the validity or effect of something else
(n)conditiona mode of being or form of existence of a person or thing“the human condition”
(n)circumstance, condition, considerationinformation that should be kept in mind when making a decision“another consideration is the time it would take”
(n)condition, shapethe state of (good) health (especially in the phrases ‘in condition’ or ‘in shape’ or ‘out of condition’ or ‘out of shape’)
(n)conditionan illness, disease, or other medical problem“a heart condition”, “a skin condition”
(n)condition, strings, term(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”
(n)condition, experimental conditionthe procedure that is varied in order to estimate a variable's effect by comparison with a control condition

Verbs

(v)conditionestablish a conditioned response
(v)discipline, train, check, conditiondevelop (a child's or animal's) behavior by instruction and practice; especially to teach self-control“Parents must discipline their children”, “Is this dog trained?”
(v)stipulate, qualify, condition, specifyspecify 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”
(v)conditionput into a better state“he conditions old cars”
(v)conditionapply conditioner to in order to make smooth and shiny“I condition my hair after washing it”