petition (suomeksi)

vetoomus (s: compilation of signatures)
vedota (v: yleensä kirjallisessa muodossa)
tehdä vetoomus (v)
anomus (s: formal, written request made to an official person)
hakemus (s: formal, written request made to an official person / legal: formal request for judicial action)
pyyntö (s: formal, written request made to an official person)
adressi (s: formal, written request made to an official person / compilation of signatures)
anoa (v: to make a request)
pyytää (v: to make a request)
hakea (v: to make a request)