hold, maintain, accumulate, amass, deposit, detain, garner, grip, have, hold back, own, pile, possess, preserve, reserve, retain, save, stock, store, withhold
Keep informed is a synonym for keep an eye on. Keep cool is a synonym for keep a stiff upper lip. Keep secret is a synonym for keep back or keep from. Know-how is a synonym for knowledge.
keep
ongoing keep going
antonym=====keep synonym=====desert
celebrate, keep, observe, solemnise.
to keep under control and a synonym is to 'stabilize'
Synonym: keep track of
Situation usually means a synonym for the whole equation. (Keep in mind that synonym means "alike/same".)!
depends a bit on usage but acceptance and inclusion can be interchangeable and so accept is one synonym. Incorporate could be another, as well as keep or retain.
fort, top, strongfold, keep, redoubt, castle, bastion, manor
fortress, keep, camp, tower, catle, garrison, stronghold, citadel
A "decorative cover" would be an appropriate synonym for a duvet cover. While duvet covers are designed to keep dirt away from material, their primary function is decorative.