0 present participle of concede
1 to admit, often unwillingly, that something is true:
[ + (that) ] The government has conceded (that) the new tax policy has been a disaster.
[ + speech ] "Well okay, perhaps I was a little hard on her," he conceded.
2 to allow someone to have something, even if you do not want to:
3 to fail to stop an opposing team or person from winning a point or game:
She conceded defeat well before all the votes had been counted.
Hysen handled the ball and conceded the penalty that gave Manchester United the lead.
Clinton conceded, "We bit off more than we could chew in our original healthcare reform proposals."
He conceded that he had been a little harsh.
They can use locutions for claiming a proposition and for challenging, conceding and retracting a claimed proposition.
Theists, then, might want to pause before conceding a divine power to conserve things later in time.
But in the meantime, there is nothing inherently irrational about conceding to mystery.