Answer: foiling

AnswerCrossword Clue
FOILINGOrnamentation with curved indentations
foilingthe act of foiling
foilingPrevent (something considered wrong or undesirable) from succeeding
foiling(of a hunted animal) Run over or cross (ground or a scent or track) in such a way as to confuse the hounds
foilingFrustrate the efforts or plans of