ex·cul·pate (ĕkskəl-pāt′, ĭk-skŭl-)
tr.v. ex·cul·pat·ed, ex·cul·pat·ing, ex·cul·pates
To clear of guilt or blame.
[Medieval Latin exculpāre, exculpāt- : Latin ex-, ex- + Latin culpa, guilt.]
ex·culpa·ble (ĭk-skŭlpə-bəl) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.