Thanks a lot, kiwikid. I thought this word would prove challenging, but quite a few of you came up with what my less genteel compatriots might call real kick-ass clues. I hate doing this, because both clues are excellent, but I'm going to give the edge to samgamgee's
His ability, sadly has gone after hint of gullibleness (14)
though I'd certainly prefer to preserve the tie, as chrise ought to be sharing the fern frond. Here's your prize, samgam:
http://www.youtube.com/watch?v=7gIgL_S_RBo
THEA: Are you SURE it's a noun? :)