Celebrate elasticity in latex (5)

I believe the answer is:

exalt

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'celebrate' is the definition.
(thesaurus)

'elasticity in latex' is the wordplay.
'latex' anagrams to 'EXALT'.
But, I'm not clear how this is indicated.

Can you help me to learn more?

(Other definitions for exalt that I've seen before include "Raise high, glorify" , "delight" , "Praise, glorify, or honour" , "Raise in praise" , "Extol" .)

I've seen this clue in The Guardian.

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