Joyous might be a good one
allows
rejected.
probly like profitable
Go or start or commence are antonyms of halt
Quiet
A close antonym would be shrinkage.
ineffective, ineffectual, unable, impuissant, Impotent
rejected.
allows
enlarge
unsurprised
plentiful
Current or present is the closest antonym for the word former.
probly like profitable
Go or start or commence are antonyms of halt
sell
INSIGNIFICANT?