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bona fi·des(fī′dēz, fīdz)
1. (used with a sing. verb) Good faith; sincerity.
2. (used with a pl. verb) Information or evidence that serves to guarantee a person's good faith, standing, and reputation; authentic credentials: "[His] operatic bona fides were prominently on display as he molded long, singing lines without any apparent pressure" (John von Rhein).
[Latin bona fidēs, good faith : bona, feminine of bonus, good + fidēs, faith.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
bona fides(ˈbəʊnə ˈfaɪdiːz)
(Law) law good faith; honest intention
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
bo•na fi•des(ˈboʊ nə ˈfaɪ diz, ˈfi deɪs or, esp. for 2, ˈboʊ nəˌfaɪdz, ˈbɒn ə)
1. (italics) Latin. (used with a sing. v.) good faith; absence of fraud or deceit; genuineness: The bona fides of this contract is not in question.
2. (sometimes italics) (used with a pl. v.) official documents or other items that prove authenticity, legitimacy, etc.; credentials.
usage: At least partially because it looks and sounds like an English plural, the Latin phrase bona fides has developed the plural sense “credentials,” taking a plural verb. Although criticized by some usage guides, this use has been increasing in recent decades.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Good faith. In evasion and recovery operations, the use of verbal or visual communication by individuals who are unknown to one another to establish their authenticity, sincerity, honesty, and truthfulness. See also evasion; evasion and recovery; recovery; recovery operations.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
bona fides[ˈbəʊnəˈfaɪdɪz] N [of person] → buena fe f
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
n sing (form: = trustworthiness) → Vertrauenswürdigkeit f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007