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pro·ba·tion (prō-bāshən)
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n.
1. A process or period in which a person's fitness, as for work or membership in a social group, is tested.
2. Law
a. A criminal sentence consisting of a term of imprisonment that is suspended provided certain terms and conditions are met.
b. The status of serving such a criminal sentence.
3. Release of a person from commitment for insanity, subject to reversal in the event of a relapse into insanity.
4. A trial period in which a student is given time to try to redeem failing grades or bad conduct.

[Middle English probacion, a testing, from Old French probation, from Latin probātiō, probātiōn-, from probātus, past participle of probāre, to test; see PROVE.]

pro·bation·al adj.
pro·bation·al·ly adv.
pro·bation·ary adj.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 

Indo-European & Semitic Roots Appendices

    Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

    Indo-European Roots

    Semitic Roots

    The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.