singular  plural
Nom.  fides   fides
Gen.  fidei   fiderum
Dat.  fidei   fidebus
Accc. fidem   fides 
Abl.  fide    fidebus

    - ex fide bona; ex bona fide; bona fide [abl.sgg.]: in good faith, sincerely, honestly, conscientiously.


    - bona fides [nom.sg.] good faith, sincerity.


    - fidem habere: to be credible.


    - fidem habere (+ dat.): to place trust (in), give credence (to), to place confidence in (after Glare). 


    - with dat [fidei]; trustworthiness, reliability; being worthy of belief.


    - “a piece of evidence for a statement, proof, confirmation: fides penes auctores erit, evidence or proof is to be found in the authorities;  -  authoritativeness, certainty; ex fide: in good faith.


  Fides,-ei (s.f.V): the faith, the Christian religion as a system of belief;


    - f. d.: defensor fidei, defender of the Faith.


    - King Charles III, d. g. [gratia dei] rex f. d. [defensor fidei], King Charles III, king by the grace of god, defender of the Faith.


    - auctoribus nullis fidem adhibui praeter Celeberr. Dillenio in Horto Elthamensi, Rheede in Horto Malabarico, quos accuratos esse observati: & Plumiero in Americanis, minori tamen fide digno, attamen necessario, ubi nulli alii erant Auctores (Linn.), I have exercised confidence in no authors except for the most celebrated Dillenius, in the Hortus Elthamensis, Rheede in the Hortus Malabaricus, [both of] whom] I felt [i.e. perceived, observed] to be accurate: and for Plumier in [the [Genera] of American [Plants], yet worthy of lesser confidence; and yet unavoidably, whenever were no other authors. 


    NOTE: Johann Jakob Dillenius: Hortus Elthamensis; Hendrik van Rheede: Hortus Malabaricus; Charles Plumier: Nova Plantarum Americanarum Genera (1703–04), new genera of American Plants.


  King Charles III, d. g. [gratia dei] rex f. d. [defensor fidei], King Charles III, king by the grace of god, defender of the Faith.