reputable russian

• серьёзный

  serious, earnest, grave

  serious, grave, significant, considerable

  genuine, meant in earnest, to be taken seriously, reputable

• уважа́емый

  respected, esteemed, reputable

  dear (in address), honoured

• авторите́тный

  authoritative, respected, influential, reputable

  authoritative, competent, reliable

• зарекомендова́вший

  well-proven, established, reputable, self-proven

• зарекомендо́ванный

  well-proven, well-established, reputable, recommended