What is another word for "aware"?

Roget's Thesaurus (1911) lists these synonyms for "aware": acute, aesthetic, aesthetics, cause, conscious, consciousness, cultivate, excite, external, feel, feeling, impress, impressibility, impression, impressive, keen, knowledge, lively, moral, needle, perceive, perceptive, perceptivity, physical, pole, produce, quick, render, sensation, sensibility, sensible, sensitive, sensuous, sentient, sharp, sharpen, the, thin-skinned, tutor, vivid.