The phrase "acceptable to keep a" is correct and usable in written English.
It can be used when discussing the appropriateness or permission to maintain or retain something.
Example: "It is acceptable to keep a record of all transactions for future reference."
Alternatives: "permissible to maintain a" or "allowed to hold a".
Critics of the policy concede that handcuffing is acceptable to keep a shot person from doing further violence to himself or others, particularly if he may still be armed or in psychiatric distress.
The best things in the movie are the portrait of Kabul's flourishing upper-class life before the Soviets and then the Taliban took over and the depiction of the bleak hypocrisies of the Taliban period — the disgusting cruelties performed in the name of righteousness and the madness that makes it an offense to look at a woman's face but acceptable to keep a young boy in sexual servitude.
The best things in "The Kite Runner" are the portrait of Kabul's flourishing upper-class life before the Soviets and then the Taliban took over, and the depiction of the bleak hypocrisies of the Taliban period — the disgusting cruelties performed in the name of righteousness, and the madness that makes it an offense to look at a woman's face but acceptable to keep a young boy as a sex slave.
For rich and titled Roman men, it was culturally acceptable to keep a "concubinus"–a slave to service them sexually before marriage.
The ruling class has also failed to explain how it's acceptable to keep a senate seat vacant indefinitely, or why the taint attached to Burris can't be overcome.
This is perhaps a random effect, but it is also more acceptable to keep a lame mare for breeding.
This study demonstrated that though a radiation dose of 25 KGy is sufficient for the sterilization of tissue allograft, a lower radiation dose might be acceptable to keep the allograft sterile.
One knows what kind of things are acceptable to keep the job, but I would never allow my autonomy to be threatened.
It is ethically acceptable to keep captive populations of chimpanzees at zoos, and to charge members of the public for the privilege of observing, filming and photographing them.
