Possible
It can very well be made into a synonym, but first you have to compare it to another word. For example, it could be considered a synonym to the words 'reconstruct' or 'reorient' because they have similar meanings to it. However, it could be considered an antonym for the words 'persist' or 'continue', because they have opposite meanings to it.
Lift is a synonym for elevate
One synonym for spanned is extended from.
Your question is incorrectly phrased. Rich is a synonym for wealthy, prosperous, affluent, etc., but you do not say "Rich is a synonym"; you say, for example, "Rich is a synonym for wealthy."
Almost is a synonym for very nearly. It begins with the letters AL.
almost, closely
A synonym for "very fast" is quick.
Possible
A synonym for seized is grabbed.
No, an abbreviation is a shortened form of a word or phrase, while a synonym is an alternative to another word meaning the same or nearly same meaning.
The word 'synonym' is a noun, a word for a word that means the same or nearly the same as another word; a word for a thing.
I believe you are looking for the word synonym.
There isn't a synonym to the word viola. Violins are very similar, but NOT the same so not a synonym.
very bad
fresh
Very Surprised.