You can use accustomed to describe an action that someone usually does, a quality that they usually show, or an object that they usually use. He took up his accustomed position with his back to the fire Freed acted with his accustomed shrewdness. his accustomed glass of whisky. = usual, habitual
When your eyes become accustomed to darkness or bright light, they adjust so that you start to be able to see things, after not being able to see properly at first. My eyes were becoming accustomed to the gloom
commonly used or practiced; usual; "his accustomed thoroughness"; "took his customary morning walk"; "his habitual comment"; "with her wonted candor
If you are accustomed to something, you know it so well or have experienced it so often that it seems natural, unsurprising, or easy to deal with. I was accustomed to being the only child at a table full of adults = used
(often followed by `to') in the habit of or adapted to; "accustomed to doing her own work"; "I've grown accustomed to her face" commonly used or practiced; usual; "his accustomed thoroughness"; "took his customary morning walk"; "his habitual comment"; "with her wonted candor
(often followed by `to') in the habit of or adapted to; "accustomed to doing her own work"; "I've grown accustomed to her face"