Noun
Verb (する, intransitive)
1. (common) use (of a language, currency, etc.); current use; circulation; currency; validity (e.g. of a ticket)
2. to be accepted (e.g. of a way of thinking); to work (of an excuse, trick, etc.); to hold true (e.g. of a theory); to apply; to be valid; to pass (for); to do well; to get by
Noun
Verb (する, intransitive)
3. going in and out; entrance and exit