Miss Crawford had been in gay spirits when they first danced together, but it was not her gaiety that could do him good: it rather sank than raised his comfort; and afterwards, for he found himself still impelled to seek her again, she had absolutely pained him by her manner of speaking of the profession to which he was now on the point of belonging.
There are no more uses of "impel" in the book.
Show samples from other sources
When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another ... that they should declare the causes which impel them to the separation.
Thomas Jefferson -- The Declaration of Independence
The only explanation which I could think of for this mass exodus was that I had somehow disturbed the wolves so seriously they had felt impelled to abandon their den.