getting in to head (verb) get: understand
Sinonime: accepted, accustomed, chronic, deep-rooted, deep-seated, dyed-in-the-wool, entrenched, firmly established, fixed, habituated, hard-shell, hardened, ingrained, inured, inveterate, irradicable, long-established, proved, seasoned, set, settled, staid, valid, worn
Antonime: misconstrue,
misunderstand