bettering
/ˈbɛtə/
verb
Improve on or surpass (an existing or previous level or achievement)
his account can hardly be bettered
surpass,improve on,beat,exceed,excel,top,cap,trump,eclipse,outstrip,outdo,outmatch,go one better than
noun
The better one; that which is better.
the Natural History Museum book is by far the better of the two
adjective
More desirable, satisfactory, or effective.
we’re hoping for better weather tomorrow
superior,finer,of higher quality,greater,in a different class,one step ahead
adverb
More excellently or effectively.
Jonathon could do better if he tried
to a higher standard,in a finer way,in a superior way