Spectacle

noun

1. An exciting or extraordinary scene, exhibition, performance etc.

   "The horse race was a thrilling spectacle."

2. An embarrassing or unedifying scene or situation.

   "He made a spectacle out of himself."

3. (usually in the plural) An optical instrument consisting of two lenses set in a light frame, and worn to assist sight, to obviate some defect in the organs of vision, or to shield the eyes from bright light.
4. An aid to the intellectual sight.
5. A spyglass; a looking-glass.