Crossword Genius

Changing beliefs as virus spreads in water (10)

Ross

I believe the answer is:

persuasive

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'changing beliefs as virus spreads in water' is the definition.
I can't tell whether this definition defines the answer.

'as virus spreads in water' is the wordplay.
'spreads' indicates an anagram (I've seen 'spreading' mean this).
'in' means one lot of letters goes inside another.
'water' becomes 'pee' (synonyms).
'as'+'virus'='asvirus'
'asvirus' is an anagram of 'rsuasiv'.
'rsuasiv' inserted within 'pee' is 'PERSUASIVE'.

Can you help me to learn more?

(Other definitions for persuasive that I've seen before include "Convincing" , "Providing sound reasoning" .)

I've seen this clue in The Telegraph.
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