tickle

transitive verb tickled, tickling

1. to please, gratify, delight, etc.: often used in the passive voice with slang intensifiers, as , , or
2. to stir to amusement or laughter; amuse
3. to excite the surface nerves of, as by touching or stroking lightly with the finger, a feather, etc., in a way that causes involuntary twitching, a pleasant tingling, laughter, etc.

intransitive verb

1. to have an itching, scratching, or tingling sensation: a throat that tickles
2. to cause a tickling sensation: that feather tickles
3. to be readily affected by excitation of the surface nerves; be ticklish

noun

1. a tickling or being tickled
2. a tickling sensation