/ˌɪnɪˈtɪlər/ or /ˌaɪnɪˈtɪlər/ (US) or /ɪnɪˈtɪlɪər/ or /aɪnɪˈtɪlɪər/ (UK)

Definitions

1. noun

one who initials or signs documents with the initials of their name, especially at the beginning of a document.

“The initialler of the contract was responsible for reviewing the document before signing it.”