Bective is a locality in New South Wales, located on the Oxley Highway about 18 kilometres WNW of Tamworth.
Map of Bective NSW 2340, Australia
The name originally appears at the name of a large pastoral property near the Peel River in the 1860s. The name is derived from a town near Dublin, or an abbey located there, or from Lord Bective, a notable British cabinet minister of the era whose title name derives from that place.
References
Bective, New South Wales Wikipedia(Text) CC BY-SA