noun

1. anything called for as a requirement before the performance or completion of something else; provision; stipulation to impose conditions by contract
2. anything essential to the existence or occurrence of something else; prerequisite hard work is a condition of success
3. anything that modifies or restricts the nature, existence, or occurrence of something else; external circumstance or factor conditions were favorable for business
4. manner or state of being
5. 1. state of health what's the patient's condition?
   2. an illness; ailment a lung condition
6. a proper or healthy state athletes train to be in condition
7. social position; rank; station
8. Obsolete
   1. disposition of mind; character
   2. characteristic; trait
9. ☆ Educ.
   1. the requirement that a student make up deficiencies in a certain subject in order to pass it
   2. the grade stating this requirement
10. Gram. a clause expressing a condition, as one beginning with if
11. Law a clause in a contract, will, etc. that revokes, suspends, or modifies one or more of its stipulations upon the happening of an uncertain future event
12. Logic a proposition on which the truth of another proposition depends

Etymology: ME & OFr condicion < L condicio, agreement, situation < condicere, to speak with, agree < com-, together + dicere, to speak: see diction

intransitive verb

transitive verb

1. to set as a condition or requirement; stipulate
2. to impose a condition or conditions on
3. to be a condition of; determine
4. to affect, modify, or influence
5. to bring into a proper or desired condition
6. ☆ Educ. to give a grade of condition () to
7. 1. Psychol. to develop a conditioned reflex or behavior pattern in (a person or animal)
   2. to cause to become accustomed (to something)