Authority (5)

'authority' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for power that I've seen before include "Physical strength" , "Vigour or energy" , "Large amount" , "Three to the third - is twenty-seven" , "Exponent" .)
'authority' is the definition.
(I've seen this before)
This is the entire clue.
(Another definition for sayso that I've seen is " rumour".)
'authority' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for say-so that I've seen before include "Authority to make a decision" , "Mere assertion (colloq.)" , "Go-ahead" , "Final approval" , "Authority to make or allow something to happen" .)
'authority' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for jurisdiction that I've seen before include "Gets" , "Area of authority" , "Power of legal decision" , "Extent of power" , "Right to apply laws" .)
'authority' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for mandate that I've seen before include "Authority for action" , "Order - charge" , "Authorisation to a politician" , "Authority conferred on a tandem" , "approval" .)
'authority' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for expert that I've seen before include "One has specialist knowledge or ability" , "Having specialised knowledge" , "Buff" , "Highly skilled or knowledgeable person" , "The person who knows" .)