The young woman, whose eyelids were apparently inclined to fall together on the smallest provocation of silence, yawned without parting her lips to any inconvenient extent, whereupon Gabriel caught the infection and slightly yawned in sympathy.
There are no more uses of "provocation" in the book.
Show samples from other sources
Police are expected to hold their temper regardless of the degree of verbal provocation.
the result was a provocation of vigorous investigation