(archaic) substitution / (archaic) price, cost, charge / (historical) shiro, a unit of land

world, society / (archaic) age, generation, era of rule

generation of a royal family / era, age, decade

charge, fare, rate, fee, price, rent / (indicating years spanning a specific period) -ies, -hundreds

substitute / alternate / representative / generation

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

Kyūjitai form of 学 / learning, knowledge, school