ROGET THESAURUS
caseharden
Habit
VB
be wont, fall into a rut, fall into a custom, tread the beaten track, follow the beaten track, tread the beaten path, follow the beaten, stare super antiquas vias, move in a rut, run on in a groove, go round like a horse in a mill, go on in the old jog trot way, habituate, inure, harden, season,
caseharden, accustom, familiarize, naturalize, acclimatize, keep one's hand in, train, get into the way, get into the knack of, learn, cling to, adhere to, repeat, acquire a habit, contract a habit, fall into a habit, acquire a trick, contract a trick, fall into a trick, addict oneself to, take to, get into, be habitual, prevail, come into use, become a habit, take root, gain upon one, grow upon one.
Insensibility
VB
be insensible, have a rhinoceros hide, show insensibility, not mind, not care, not be affected by, have no desire for, have no interest in, feel no interest in, take no interest in, nil admirari, not care a straw for, disregard, set at naught, turn a deaf ear to, vegetate, render insensible, render callous, blunt, obtund, numb, benumb, paralyze, deaden, hebetate, stun, stupefy, brutify, brutalize, chloroform, anaesthetize, put under, assify, inure, harden the heart, steel,
caseharden, sear.