| ABOLITION | Wilberforce achieved it, changing oil in boat |
| EGOT | *Acronym that spiked in usage in February, when Viola Davis achieved it by winning a Grammy |
| RETICULE | Cruel, tie that's achieved, it being in the bag (8) |
| STATEHOOD | Hawaii achieved it in 1959 |
| SERENASLAM | Tennis feat named for the athlete who achieved it in 2003 and 2015 |
| ARBITRATE | Make a decision to bar it changing speed |
| TONIGHT | Got hint of it changing when this day ends (7) |
| TIRED | You get fed up with it changing to "stop" (5) |
| ATTITUDE | Stance adopted by an abstainer, due to it changing (8) |
| TIPSY | Spy it changing shape under the influence (5) |
| PITCH | Place on which to play sport? Some stop it changing (5) |
| VIOLIN | Fiddle changing oil into claret? |
| KEROSENE | One reeks after changing oil (8) |
| APRILFOOL | One had, changing oil for pal (5,4) |
| FOLIAGE | Leaves fellow changing oil to get on (7) |
| SLAVERY | William Wilberforce was instrumental in its abolition (7) |
| ABOLITIONISTS | Members of the movement led in Britain by William Wilberforce that helped bring about an end to the |
| HULL | Slave trade activist William Wilberforce was born in this Humberside port city |
| RSPCA | Abbreviation of an animal welfare charity co-founded by William Wilberforce in 1824 (1,1,1,1,1) |
| PITT | Friend of anti-slavery campaigner and RSPCA co-founder William Wilberforce who engaged in a duel with George Tierney and became Britain's youngest prime minister (4) |
