1. perceptiveness: the ability to see clearly and intuitively into the nature of a complex person, situation, or subject
2. clear perception: a clear perception of something thanked him for his remark and told him it was an interesting insight
3. self-awareness: the ability of somebody to understand and find solutions to his or her personal problems
4. perception that hallucinations are not real: the perception, lacking in some psychiatric disorders such as schizophrenia, that symptoms such as delusions and hallucinations are not objective
