n. pl. ca·pa·bil·i·ties
1. The quality of being capable; ability.
2. often capabilities A talent or ability that has potential for development or use: a student of great capabilities.
3. The capacity to be used, treated, or developed for a specific purpose: nuclear capability.
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:
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.