Adjure

to charge, bind, or command earnestly and solemnly, often under oath or the threat of a penalty.
to entreat or request earnestly or solemnly.
contemporary examples

with courage or common sense, or both, governors and state legislatures can adjure measures like the arizona bill.
how ‘religious freedom’ is hurting everyone’s freedom robert shrum march 4, 2014

historical examples

i adjure, i command thee, build not up between us that dismal everlasting wall.
harold, complete edward bulwer-lytton

jeffrey had to adjure himself to keep awake to the difficulties he alone had made.
the prisoner alice brown

i adjure you, solemnly, to omit nothing that you can remember of them.
the international magazine, vol. iv. new-york, december 1, 1851. no. v. various

i adjure you to hear me swear that i will have all the justice done to your memory that man can do!
rattlin the reefer edward howard

oh, many a time have i thought of that and regretted it, and i adjure you all to give while the fever is on you.
mark twain’s speeches mark twain (samuel clemens)

i adjure you, caroline, to lay this clearly before our dear brother.
evan harrington, complete george meredith

this child will console you for all your trouble and it is in its name that i implore, that i adjure, you to forgive m. julien.
the works of guy de maup-ssant, vol. 5 (of 8) guy de maup-ssant 1850-1893

i adjure you for the last time; will you name the three cards?
the strand magazine, vol. 1 – no. 1, various

the priests had resolved to go out and adjure the storm and the sea.
from a swedish homestead selma lagerlf

verb (transitive)
to command, often by exacting an oath; charge
to appeal earnestly to
v.

late 14c., “to bind by oath; to question under oath,” from latin adiurare “confirm by oath, add an oath, to swear to in addition,” in late latin “to put (someone) to an oath,” from ad- “to” (see ad-) + iurare “swear,” from ius (genitive iuris) “law” (see jurist). related: adjured; adjuring.