Girl's Names: Elegant, Crisp, timeless.

[swiftkick]

Also open to a unisex dimension to the name... & I know that above the above sounds like a perfume description!

[BertrandRussell]

Helen. Shortened to Nell.

Don't go unisex- it just means giving a girl a boy's name because nobody ever gives a boy a girl's name.

[Spydra]

Clara / Claire

[Nannyplum2029]

Grace
Helena
Sophia
Alice

[Stupour]

Sophie

[CrystalMcPistol]

Jane.

[doublepotions]

Eva

[NickiFury]

Alexandra.

[apintofbest]

Jocelyn
Vivienne
Alexandra
Evelyn
Lydia

Are all tall, cool, elegant and intelligent women (in my head, anyway)

[daisydalrymple]

Sophia
Laura
Eleanor
Eliza / Elizabeth
Charlotte
Caroline
Alice
Sarah
Hannah
Esther
Lydia
Julia / Juliet
Anna
Emma
Helena
Georgina

[daisydalrymple]

Although not sure my suggestions are 'crisp'

[FrancesHB]

A few years ago the baby name wizard ran a statistical search to find the most timeless names (ie the ones most immune to fashion but which remained steadily popular across the decades).

I can't remember what the boys name was but for girls it was Antonia.

[gonegrey56]

Portia

[Coffeemarkone]

Lettice (crispy!)

[diddl]

Anna

[Skittles88]

Tessa
Sophie
Emma
Alice
Charlotte

[Tubbylittletitwitch]

Alice
Grace
Juliette
Victoria
Jude
Eleanor
Elle
Clarissa
Bea
Belle

[Icedfinger]

Juliet
Ellen
Helen
Lucy
Sarah

[ExConstance]

Olivia, Grace, Leonora.

[marinacortina]

Marcia

[Juicytubez]

Grace
Lucy
Sophie
Emily

[pretend]

Caroline
Catherine
Verity

[BasinHaircut]

Elizabeth or Kate

[marinacortina]

Sonia

[NotActuallyAMum]

At first glance I thought you were considering the words in the title for names!

[BellMcEnd]

Claudia
Clara
Eliza
Susan
Juliet
Fiona
Esther
Eve

Aware that not all of them are quintessentially English names