sink in - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

sink in (third-person singular simple present sinks in, present participle sinking in, simple past sank in, past participle sunk in or sunken in)

1. (intransitive, idiomatic) To become completely known, felt, or understood.

   He knows he's been naughty, but it will take a while for it to sink in.

   The gravity of what I had done hadn't sunken in yet.

• dawn on, register, penetrate

• “sink in”, in OneLook Dictionary Search.

• Niskin, kinins