登 - ascend, climb up

taking the mound; pitching a game

gateway to success

registration number

registration; accession; register; entry; record; subscription

entrance (on the stage); appearance (in a book, film, etc.)

registrant; subscriber; enrollee

mountain climbing; mountaineering; ascent of a mountain

registered trademark

attendance (at school); going to school

mountain climbing; mountaineering

appointment; assignment; promotion

climbing to the summit; summiting