اِسْتَأنَسَ: صَارَ أنِيساً to be or become sociable, friendly, amicable, amiable, genial, affable, polite, kind, gentle, nice

اِسْتَأنَسَ الحَيَوَانُ: صَارَ ألِيفاً to be or become tame, domestic(ated)

اِسْتَأنَسَ بـِهِ أو إلَيْه: أحَبّ، ألِفَ، عَاشَرَ to like someone's company, like to be with, feel at ease with; to get along with, get on intimate terms with, become friendly with, become intimate with; to associate with, mix with

اِسْتَأنَسَ بـِهِ أو إلَيْه: تَعَوّد، ألِفَ to get used to, be accustomed to, be habituated to, take to; to be familiar with, acquainted with; to familiarize oneself with, acquaint oneself with

اِسْتَأنَسَ بـِمَوْضُوعٍ إلخ: اِسْتَعَانَ بـِهِ to draw upon, resort to, make use of, rely upon

اِسْتَأنَسَ بـِرَأيِهِ: اِسْتَشَارَهُ to consult, ask or seek the opinion or advice of, counsel with, take counsel with

اِسْتَأنَسَ لَهُ: أصْغَى to listen to, hearken to, give or lend an ear to, pay attention to