| onto |
| onward(adverb, near, touching, forward, supported) |
| other than(expression, bar, save, remote, plus) |
| over and above(expression, idiom, adverb, preposition, conjunction) |
| overhead(off, raised, above, traversely) |
| overtop(adverb, off, on, above, overhead) |
| penetrating(sharp, smart, intelligent, clever, astute) |
| perceptive(sharp, smart, intelligent, clever, astute) |
| perspicacious(sharp, smart, intelligent, clever, astute) |
| piercing(sharp, smart, intelligent, clever, astute) |
| posted(adjective, knowledgeable, aware, informed, savvy) |
| primed(adjective, knowledgeable, aware, informed, savvy) |
| probing(sharp, smart, intelligent, clever, astute) |
| profound(sharp, smart, intelligent, clever, astute) |
| prudent(sharp, smart, intelligent, clever, astute) |
| quick-witted(sharp, smart, intelligent, clever, astute) |
| realize(verb, see, have, notice, understand) |
| reliable(adjective, knowledgeable, aware, informed, savvy) |
| resting on(expression, adverb, preposition, like, near) |
| sagacious(sharp, smart, intelligent, clever, astute) |