### Clue: Precise court overturning dismissal at first (5)
### Answer: EXACT 
 ### Explanation: Definition: Precise
 CT(abbrev. for "court") **placed below**(… at first, in a down clue) **reversal of**(overturning, in a down clue) AXE(dismissal;cancellation, as in "half the department is facing the axe").