v (transitive|obsolete) To show, exhibit. (defdate|15th-17th c.)
v (intransitive) To be gathered together for parade, inspection, exercise, or the like (especially of a military force); to come together as parts of a force or body. (defdate|from 15th c.)
v (transitive) To collect, call or assemble together, such as troops or a group for inspection, orders, display etc. (defdate|from 15th c.)
v (transitive) To summon together; to get together, to gather. (defdate|from 16th c.)
v (transitive|US) To enroll (into service). (defdate|from 19th c.)