self-sufficient

When you take any beginning industry, you do want to subsidize it until it's self-sufficient.

With a self-sufficient smile he consulted his own unintelligible entries, and made his own wild discoveries.

Excellent musicians have been subjected to the vulgar abuse of self-sufficient ignoramuses.

“All according to law—all in strict form of justice,” said the self-sufficient Escribano, chuckling and rubbing his hands.

Yonder goes a fox, slowly trotting along below the crest, in his self-sufficient, nonchalant style.

Thus without any essential mummery the comedy plays itself out, self-sufficient, correct, convincing.