List of sign on synonyms and sign on related words.
Teletype, affiliate, affiliate with, associate, beam, bespeak, book, brief, broadcast, cable, call up, combine, come into, commandeer, conscript, creep in, detach, detach for service, draft, employ, engage, enlist, enroll, enter, flash, get into, go into, hire, impress, inaugurate, induct, initiate, install, instate, invest, join, join up, league with, levy, list, mobilize, muster, muster in, newscast, ordain, preengage, press, radiate, radio, radiobroadcast, raise, recruit, reserve, retain, send, send a wire, shortwave, sign off, sign up, sign up for, sneak in, sportscast, summon, take into employment, take on, take out membership, take up membership, team up with, team with, telegram, telegraph, telex, transmit, wire, wireless