welcome (suomeksi)

tervetuloa (i)
toivottaa tervetulleeksi (v: to accept willingly)
hyväksyä (v)
tervetullut (a: whose arrival is a cause of joy)
tervetuloa! (i: greeting given upon someone's arrival)
tervetulotoivotus (s: act of greeting someone's arrival / utterance of such a greeting)
tervehtiminen (s: act of greeting someone's arrival)
vastaanotto (s: act of greeting someone's arrival)
toivottaa tervetullut (v: affirm or greet the arrival of someone)