Bre·vet v. t. [imp. & p. p. Brevetted p. pr. & vb. n. Brevetting.] Mil. To confer rank upon by brevet.
brevet
n : a document entitling a commissioned officer to hold a higher
rank temporarily (but without higher pay)
v : promote somebody by brevet, in the military
[also: brevetting, brevetted]