De-predates means to plunder or ravage. Antonyms for this term would be words that suggest building or preservation. Some possible antonyms for de-predates include:
1. Enhance: This word suggests improving something, adding value to it, and making it better.
2. Protect: Protect means to guard, defend or shield. It basically deals with making sure that something is safe and secure.
3. Preserve: This word means to maintain and care for something so that it remains in good condition and lasts for a long time.
4. Construct: Construct means building, creating, and putting together. This word suggests a constructive or positive action.
5. Develop: This word suggests growth, progress or improvement. It implies taking something to the next level or developing something new.