our successors...may be graver, more inured and equable men.
Examples of inured
inured
They're soon inured to the spiralling oddities of this investigation, as are we.
From the guardian.co.uk
Even the arabs, long inured to infernal dictatorships want democracy and freedom.
From the forbes.com
The Mounties will have to find away to adjust without inured guard Kim Scamman.
From the dailynews.com
But at least farmers are more inured to dealing with muck than are food faddists.
From the economist.com
But we're inured to such hyperbole these days, looking for the bubble to burst.
From the forbes.com
So inured to debt are students at an early age that they are unconcerned by it.
From the guardian.co.uk
It is very easy in India, she adds, to become inured to the plight of the poor.
From the online.wsj.com
Infantrymen are often trained and inured to the injuries caused by barbed wire.
From the en.wikipedia.org
My fear, however, is that we've become inured to the way things are made here.
From the techcrunch.com
More examples
Cause to accept or become hardened to; habituate; "He was inured to the cold"
In psychology, desensitization (also called inurement) is a process for mitigating the harmful effects of phobias or other disorders. ...
To cause (someone) to become accustomed (to something); to habituate. [from 16th c.]; To take effect, to be operative. [from 16th c.]
To serve to the use or benefit.
To take effect, to result; to come into operation.
(v.) to cause someone or something to become accustomed to a situation (Twenty years in the salt mines inured the man to the discomforts of dirt and grime.)
1. to come into use; take or have effect. 2. to become beneficial or advantageous.