привыкнуть (к, + инф. )
get* accustomed / used (to, to ger. ); get* into the way (of ger. )
он уже привык к этому — he has already got accustomed, или he is already used, to this
он привык исполнять свои обещания — he is accustomed to keeping his promises
ребёнок привык к бабушке — the child* has got accustomed to his grandmother
он привык к такому тону — he is used to this sort of tone
он привык обращаться с ней как с маленькой — he has got into the way of treating her, или has come to treat her, as though she were a child