Honest, appearing in court? Correct (7)
I believe the answer is:
upright
'honest' is the definition.
(I've seen this before)
'in court? correct' is the wordplay.
'in court?' becomes 'up' (up before a judge).
'correct' becomes 'right' (right can mean correct).
'up'+'right'='UPRIGHT'
'appearing' is the link.
(Other definitions for upright that I've seen before include "In a vertical position" , "Good" , "Pole; principled" , "Key item" , "Vertically honourable?" .)