Used when someone's behavior raises doubts or concerns.

Suspicion

Suggests ongoing, careful watching of someone's actions.

Observation

Implies being alert or ready for possible problems.

Used when someone is romantically interested in another person.

Indicates someone might be considering another as a potential partner.

The feeling can be subtle and not always obvious to others.

Shows focus on a particular ambition or desired outcome.

Reflects a strong desire to achieve or obtain something.

Conveys someone's resolve to achieve a specific target.