| advanced(adjective, smart, quick, early, immediate) |
| intelligent(adjective, sharp, smart, sensible, alert) |
| premature(adjective, time, smart, quick, early) |
| forward(adjective, adverb, time, smart, intelligent) |
| smart(adjective, sharp, sensible, alert, intelligent) |
| bright(adjective, smart, intelligent, ahead) |
| early(adjective, time, smart, quick, earlier) |
| quick(adjective, smart, ahead) |
| mature(adjective, smart, ahead) |
| developed(adjective, smart, ahead) |
| untimely(adjective, time) |
| ahead(adjective, adverb, early, earlier, headlong) |
| gifted |
| well-developed(early, headlong, onward, highly evolved) |
| beforehand(adjective, adverb, smart, early, ahead) |
| bold(adjective, smart, ahead) |
| cheeky(adjective, smart, informal, ahead) |
| excellent(time, sophisticated, manner, higher, pioneering) |
| exceptional(time, sophisticated, manner, higher, pioneering) |
| precipitate(verb, earliness) |