Here are some other options, depending on the context:
* "остановиться" (ostanovitsya) - to stop (verb)
* "прекратить" (prekratit) - to cease, to terminate (verb)
* "закончить" (zakonchit) - to finish, to complete (verb)
* "приостановить" (priostanovit) - to suspend, to postpone (verb)
The specific word you choose will depend on the specific situation and the intended meaning of "halt."