Sir Walter spurned the idea of its being offered in any manner; forbad the slightest hint being dropped of his having such an intention; and it was only on the supposition of his being spontaneously solicited by some most unexceptionable applicant, on his own terms, and as a great favour, that he would let it at all.
It seems, on the contrary, to have been a perfectly spontaneous, untaught feeling on his side, and this surprises me.
On one other question which perhaps her utmost wisdom might not have prevented, she was soon spared all suspense; for, after the Miss Musgroves had returned and finished their visit at the Cottage she had this spontaneous information from Mary:— "Captain Wentworth is not very gallant by you, Anne, though he was so attentive to me.
There are no more uses of "spontaneous" in the book.
Show samples from other sources
The group broke into spontaneous laughter.
He bubbled with enthusiasms, and his faintest smile or lightest laugh seemed spontaneous and genuine.