1. (noun) clear or deep perception of a situation

• penetration

2. (noun) a feeling of understanding

• perceptiveness
• perceptivity

3. (noun) the clear (and often sudden) understanding of a complex situation

• brainstorm
• brainwave

4. (noun) grasping the inner nature of things intuitively

• sixth sense

1. (noun) clear or deep perception of a situation

• perception

2. (noun) a feeling of understanding

• sensibility

3. (noun) the clear (and often sudden) understanding of a complex situation

• apprehension
• discernment
• savvy
• understanding

4. (noun) grasping the inner nature of things intuitively

• intuition

1. (noun) the clear (and often sudden) understanding of a complex situation

• breakthrough
• discovery
• find
• flash
• light
• revelation

1. (noun) clear or deep perception of a situation

• bottom
• fathom
• penetrate

2. (noun) a feeling of understanding

• perceptive
• perceptive
• perceptive

3. (noun) the clear (and often sudden) understanding of a complex situation

• brainstorm