1. An original or genuine template, model, or design that serves as a reliable reference or standard
The museum displays the authentic pattern used by the original designer in the 1920s.
O museu exibe o padrão autêntico usado pelo designer original nos anos 1920.
2. A verified or confirmed template that maintains historical or cultural accuracy
This fabric follows the authentic pattern of traditional Portuguese tiles.
Este tecido segue o padrão autêntico dos azulejos portugueses tradicionais.
3. In design and crafts, a legitimate or original model used for reproduction or reference
The tailor used an authentic pattern from the 1950s to create the vintage dress.
A costureira usou um padrão autêntico dos anos 1950 para criar o vestido vintage.