Predictive text refers to a feature on phones or computers that guesses the word you want to type before you finish typing it. It tries to predict the word based on what you've already typed, making typing faster and easier. Full definition
With keys that have a good amount of space between them, predictive text input, and a long space bar in landscape mode, it gets the job done. (laptopmag.com)
You can also opt for predictive text or not as is your preference in this settings area. (techradar.com)
There are also other little useful features like predictive text, that can load a type ahead message such as address or phone number when the business asks for it. (theverge.com)