pleno jure

[ pley-noh yoo-re; English plee-noh joo r-ee ]
/ ˈpleɪ noʊ ˈyu rɛ; English ˈpli noʊ ˈdʒʊər i /

adverb Latin.

with full authority.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019