1-across – Pretend : PUTONANACT

7-across – Quack medicine : NOSTRUM

8-across – Pre-Conquest inhabitant of Central America : MAYAN

10-across – Exigency : NEED

11-across – Porch : DOORSTEP

13-across – Italian gentleman : SIGNOR

15-across – Misappropriated : STOLEN

17-across – Protective item of footwear : OVERSHOE

18-across – Stigma : BLOT

21-across – Volley : SALVO

22-across – Hermit : ASCETIC

23-across – By cutting a corner : ONTHECHEAP

1-down – Old-fashioned : PASSE

2-down – Change one’s mind : TURN

3-down – One of Elgar’s Enigma Variations : NIMROD

4-down – Able to count, work with figures : NUMERATE

5-down – Quartz, for example : CRYSTAL

6-down – Alert : ONONESTOES

9-down – Level in a race, competition or comparison : NIPANDTUCK

12-down – In truth : FORSOOTH

14-down – Technical bug : GREMLIN

16-down – Law of the Jews from Mt Sinai : MOSAIC

19-down – Abatement : LETUP

20-down – Adolescent skin disease : ACNE

1-across – : ACCEPTONESLOT

8-across – In a little while : ANON

9-across – In a friendly manner : CHUMMILY

10-across – Separate : INDIVIDUAL

12-across – Shrill squawk : CACKLE

14-across – Grubs : LARVAE

15-across – Dessert of flavoured milk stiffened with cornflower : BLANCMANGE

19-across – Mean or despicable person : SCULLION

20-across – Former unit of currency in Italy : LIRA

21-across – Anticipate : READLIKEABOOK

2-down – Body of regulations enacted by the Christian Church : CANONLAW

3-down – Boredom : ENNUI

4-down – Having a sense of touch : TACTILE

5-down – Pacific coral island republic, once rich in phosphates : NAURU

6-down – Collection of representative items : SAMPLER

7-down – Eye up lasciviously : OGLE

11-down – Unofficial court of law : KANGAROO

13-down – Ground into small pieces : KIBBLED

14-down – Entitle : LICENSE

16-down – Fact of being elsewhere : ALIBI

17-down – Perform without a script : ADLIB

18-down – Continuous dull pain : ACHE

1-across – Shower : CASCADE

8-across – Largest city in East Anglia : NORWICH

9-across – Plant juices : LATEXES

10-across – Demoralise : UNNERVE

11-across – Emasculated fowl : CAPON

13-across – Affirm : PREDICATE

15-across – Inter : LAYTOREST

18-across – Pertaining to the eye : OPTIC

21-across – African statesman : MANDELA

22-across – Splash out : SPLURGE

23-across – Syrup-like substance : TREACLE

24-across – 19? Ay! : ROYALTY

1-down – Intestinal infection : COLIC

2-down – Organization : SETUP

3-down – Site of open-air operas in the South of France : AIXENPROVENCE

4-down – Make certain : ENSURE

5-down – Activate : BRINGINTOPLAY

6-down – —— Nevada, mountains of Spain and California : SIERRA

7-down – Rob : THIEVE

12-down – Verdi piece 3 may put on : AIDA

14-down – Move along a runway : TAXI

15-down – Curtails : LIMITS

16-down – Over there : YONDER

17-down – Correcting implement used in drawing or writing : ERASER

19-down – Austrian alpine region : TYROL

20-down – Soft and sticky : CHEWY

1-across – Creator of retail collages : WINDOWDRESSER

8-across – Dismissed, in cricket : OUT

9-across – Ere snails? : EARLINESS

10-across – Other-worldly : ESOTERIC

11-across – Network of horizontal and vertical lines : GRID

13-across – Call forth : AWAKEN

14-across – Gracefully slim : SVELTE

16-across – Odium : HATE

17-across – Almanac : YEARBOOK

20-across – Severe pain through damaged nerves : NEURALGIA

21-across – Period of time : ERA

22-across – Obstinacy : INTRANSIGENCE

1-down – Total : WHOLE

2-down – One of Britain’s largest landowners : NATIONALTRUST

3-down – Watchful : OPENEYED

4-down – Force off track : DERAIL

5-down – Maleficent : EVIL

6-down – Inhabitant of a W African state : SIERRALEONEAN

7-down – Remainder : RESIDUE

12-down – Cast a shadow : OVERHANG

13-down – African people, mainly in Ghana : ASHANTI

15-down – Pretends : FEIGNS

18-down – Rotter : KNAVE

19-down – Information : DATA

1-across – Features of Mayday revels, among others : MORRISDANCES

9-across – Fringe, tassel of unwoven threads : THRUM

10-across – Gilded : AUREATE

11-across – Vast in scale : EPIC

12-across – Feeling regret for one’s sins : PENITENT

14-across – West Pakistan capital, 1955-70 : LAHORE

15-across – Attachable : CLIPON

18-across – Culmination of a knock-out competition : CUPFINAL

20-across – Common sense: mind or reason : NOUS

22-across – Liquid in a container under pressure : AEROSOL

23-across – First Indian prime Minister, 1947-64 : NEHRU

24-across – Aircraft emergency features : EJECTORSEATS

2-down – Cruel : OGREISH

3-down – Frost left after freezing fog, or frozen dew : RIME

4-down – Pollen-producing part of a flower : STAMEN

5-down – If derail? : AIRFIELD

6-down – Fad : CRAZE

7-down – Chinese flavouring : SWEETANDSOUR

8-down – Race where obstacles have to be jumped : STEEPLECHASE

13-down – Toy railway : TRAINSET

16-down – Oracle : PROPHET

17-down – Custodian of a prisoner : JAILER

19-down – Prize money : PURSE

21-down – Leg joint : KNEE