Prohibition (5)
'prohibition' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for veto that I've seen before include "Forbid outright" , "Right to ban" , "Red light" , "UN rejection" , "Refuse permission" .)
(Other definitions for era that I've seen before include "Important date" , "Long historical period" , "Distinct period in history" , "Long period of history" , "Are involved in time span" .)
'prohibition' is the definition.
(ban is a kind of prohibition)
This is all the clue.
(Other definitions for ban that I've seen before include "Veto" , "Stop" , "Exile" , "Censor or proscribe" , "'Forbid, prohibit (3)'" .)
'prohibition' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for taboo that I've seen before include "Subject to prohibition" , "Prohibited by religion or custom" , "Beyond the pale" , "Prohibited as unclean or holy" , "Strictly forbidden" .)