Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun immigration

2 senses of immigration

Sense 1
immigration, in-migration -- (migration into a place (especially migration to a country of which you are not a native in order to settle there))
       => migration -- (the movement of persons from one country or locality to another)

Sense 2
immigration -- (the body of immigrants arriving during a specified interval; "the increased immigration strengthened the colony")
       => body -- (a group of persons associated by some common tie or occupation and regarded as an entity; "the whole body filed out of the auditorium"; "the student body"; "administrative body")