(computing) A function on certain text messaging software that attempts to predict which word is being typed as the user types it, thus allowing the user to type faster.
Wiktionary
Predictive-text Sentence Examples
Simple features are still included, such as the VGA camera, Bluetooth, voice memo, world clock, and predictive text.
The BlackBerry devices uses predictive text to best "figure out" what the user is trying to write.
Both options include the choice to use predictive text as well.