Oathworthy
Defined in 2 dictionaries — Cyclopedic (1922), Ballentine's (1916)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
Worthy of making an oath; credible. OB. On account of; for. A few Latin phrases and maxims commence with this word, but in is more commonly used. OB CAUSAM ALIQUAM A RE MARItima ortam. For some cause arising out of a maritime matter. 1 Pet. Adm. (U. S.) 92. Said to be Selden's translation of the French definition of admiralty jurisdiction, "pour le fait de la mer." Id.
Ballentine's Law Dictionary
James A. Ballentine · 1916
Credible.