| be up on(careful, knowledgeable, cautious, aware, attentive) |
| brand-new(adjective, unusual, strange, new, fresh) |
| cagey(careful, aware, attentive, wary, watchful) |
| canny(adjective, reasonable, rational, intelligent, sober) |
| cautious(careful, knowledgeable, aware, attentive, wary) |
| certain(adjective, understanding, keen, sensible, alert) |
| chary(careful, knowledgeable, cautious, aware, attentive) |
| cognisant |
| cognizant of(expression, adjective, knowledgeable, savvy, conversant) |
| conscientious(careful, knowledgeable, aware, attentive, wary) |
| consequent(adjective, reasonable, rational, intelligent, sober) |
| contempo(present, new, current, modern, contemporary) |
| cutting-edge(adjective, unusual, strange, fresh, original) |
| cutting edge(expression, new, current, advanced, contemporary) |
| dewy(adjective, unusual, strange, fresh, original) |
| different(adjective, unusual, strange, new, fresh) |
| discerning(adjective, understanding, reasonable, keen, sensible) |
| discreet(adjective, understanding, reasonable, rational, intelligent) |
| dissimilar(adjective, unusual, strange, fresh, original) |
| distinct(adjective, unusual, strange, fresh, original) |