1. Imposing, depending on, or containing a condition. See Synonyms at dependent.
2. Grammar Stating, containing, or implying a condition.
3. Psychology Brought about by conditioning.
A mood, tense, clause, word, or morpheme expressing a condition. See Usage Note at if.
con·di′tion·ali·ty (-dĭsh′ə-nălĭ-tē) n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. 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:
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.