| anapestic |
| apocryphal(fantastic, unreal, theoretical, fictitious, speculative) |
| apt(adjective, smart, bright, brainy) |
| astute(adjective, smart, bright, brainy) |
| at first hand(expression, idiom) |
| authentic |
| bizarre(adjective, happy, perfect, strange, fantastic) |
| blue-sky(adjective, inventive, creative) |
| blue sky(expression, adjective, happy, perfect, fantastic) |
| brainy(smart, bright, heavy, rational, intellectual) |
| breaking new ground(expression, idiom, fundamental, novel, unique) |
| canny(adjective, original, resourceful, inventive) |
| capricious(adjective, happy, perfect, unusual, strange) |
| castles in the air(expression, adjective, idiom, happy, perfect) |
| causative(fundamental, novel, unique, resourceful, ingenious) |
| clairvoyant(rational, intellectual, supernatural, spiritual, psychic) |
| cleverness |
| constructive(adjective, creative) |
| cool(original, artistic, inspired) |
| crackerjack |