initial
US /ɪˈnɪʃ.əl/
UK /ɪˈnɪʃ.əl/

1.
1.
initiaal, voorletter
the first letter of a name or word, typically a person's first name or a significant word in a phrase.
:
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Please write your initials at the bottom of the form.
Schrijf alstublieft uw initialen onderaan het formulier.
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Her necklace had her boyfriend's initial on it.
Haar ketting had de initiaal van haar vriend erop.
1.
paraferen, voorletteren
mark (a document) with one's initials, typically as a sign of approval or to indicate that one has read it.
:
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Please initial each page of the contract.
Gelieve elke pagina van het contract te paraferen.
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She initialed the changes to confirm her approval.
Ze parafeerde de wijzigingen om haar goedkeuring te bevestigen.