As a part of today's unveiling for iOS 8 at its Worldwide Developers Conference, Apple announced a new "QuickType" feature for the onboard keyboard which offers context sensitive predictive typing suggestions among other features.
QuickType will ship as as a part of iOS 8, which will be available later this year.
Article Link: 'QuickType' Keyboard for iOS 8 Offers Context-Aware Predictive Typing Suggestions