habituate

[…] it was the custome of our English doggs (who were habituated vnto a colder clyme) to runne into the sea in the heate of summer […]

After the Conquests made by Caesar upon Gaul, and the nearer Parts of Germany […] great Numbers of Germans and Gauls resorted to the Roman Armies and to the City it self, and habituated themselves there, as many Spaniards, Syrians, Graecians had done before upon the Conquest of those Countries.