to get on/ride (a bus, a train, a bicycle); to get in (a car); to mount (a horse) / to accept one's talk; to get on board

riding

(mathematics) power

cover a many areas or topics, a lot of ground

(colloquial) current boyfriend

everything

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

everyone, one and all

(animal husbandry) mounting (as in animal copulation) / (rare, engineering) mounting (as in a piece of equipment)

(animal husbandry) to mount (as in animal copulation) / (rare, engineering) to mount (as in a piece of equipment)