Honourable leading Tories? (7)
I believe the answer is:
upright
'honourable' is the definition.
(I've seen this before)
'leading tories?' is the wordplay.
'leading' becomes 'up' (similar in meaning).
'tories?' becomes 'right'.
'up'+'right'='UPRIGHT'
(Other definitions for upright that I've seen before include "In an erect position" , "Un-grand piano" , "Virtuous" , "Honest like a vertical post" , "beyond reproach" .)