Per

(prep.) Through; by means of; through the agency of; by; for; for each; as, per annum; per capita, by heads, or according to individuals; per curiam, by the court; per se, by itself, of itself. Per is also sometimes used with English words.

Thesaurus Entries

accommodated to, according to, adapted to, adjusted to, after, agreeable to, agreeably to, all, answerable to, aside, by, by dint of, by means of, by use of, by virtue of, by way of, conformable to, congruent with, consistent with, each, for each, hereby, herewith, in accordance with, in agreement with, in compliance with, in conformity with, in correspondence to, in harmony with, in keeping with, in line with, in lock-step with, in obedience to, in step with, in uniformity with, in virtue of, on, per capita, proper to, suitable for, thanks to, thereby, therewith, through, uniform with, upon, vagabond, via, whereby, wherewith, wherewithal, with