overrule

verb ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about overrule at Wordnik → Where our words come from →

1. To rule over; to govern or determine by superior authority.
2. To rule or determine in a contrary way; to decide against; to abrogate or alter.
3. To nullify a previous ruling by a higher power.

   The line judge signalled the ball was in, but this was overruled by the umpire.