But a subtle process was evolving beneath the literary surface.

Gardening was a subtle process of give and take with the landscape, a search for some middle ground between culture and nature.

Still, foreign policy is a major element in the subtle process by which the electorate takes the measure of a President.

He did this, again without reasoning, merely because, in the subtle processes of his brain, experience worked.

But these things were the result of a subtle natural process.

By some subtle and secret processes of the mind again there seemed to be a change in the atmosphere of the room.

Creating new faculty members is often a subtle and complex process that has been likened to cloning.

It was a subtle process with results that were not immediately felt, but which were cumulative.

Ivy was indulging in a simple but subtle process of identification and transference.

Learning the "rules of the game" is a very subtle and permanent process.