We don't have synonyms for first reading yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are first readings.
(n) :
In the UK and various other countries, the initial presentation or announcement of a bill (proposed legislation) to a parliament or legislature, or chamber thereof. In the UK, this takes place without debate and is followed by the publication of the bill for members to examine prior to the second reading.
(n) :
In the UK and various other countries, the initial presentation or announcement of a bill (proposed legislation) to a parliament or legislature, or chamber thereof. In the UK, this takes place without debate and is followed by the publication of the bill for members to examine prior to the second reading.