noun
citizenship; civic rights; civil rights
Legal and political sense: the status of being a citizen of a country, including associated rights and duties.
彼は日本国籍を取得して市民権を得た。
He obtained Japanese nationality and acquired citizenship.
Suspension of civil rights is a serious penalty.
noun
widespread acceptance; social recognition; common use
Figurative extension: something (a concept, product, practice) becomes so established that it is treated as a natural part of society, like a citizen. Often used in phrases like 市民権を得る.
スマートフォンはすっかり市民権を得た。
Smartphones have completely gained widespread acceptance.
この言葉はまだ市民権を得ていない。
This term has not yet gained common currency.