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

4 senses of migration

Sense 1
migration -- (the movement of persons from one country or locality to another)
       => motion, movement, move -- (the act of changing location from one place to another; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path")

Sense 2
migration -- (a group of people migrating together (especially in some given time period))
       => people -- ((plural) any group of human beings (men or women or children) collectively; "old people"; "there were at least 200 people in the audience")

Sense 3
migration -- ((chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule)
       => event -- (something that happens at a given place and time)

Sense 4
migration -- (the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding)
       => periodic event, recurrent event -- (an event that recurs at intervals)