retain
The most basic reason why dialects should be preserved is that
language helps to retain a culture.
obtain
... the primary means of educating the talent required to
obtain and maintain competitive advantages.
entertain
What did Nasmith do to entertain his students one winter day?
stain
Please be careful when you are drinking coffee
in case you stain the new carpet.
maintain
... I had signed contracts with seven companies
to rent plants from me and pay me a fee to maintain them.
remain
... traffic accidents have become as familiar as the common cold,
yet their cause and control remain a serious problem that is difficult to solve.
attain
The way people hold to the belief
that a fun-filled, pain free life equals happiness actually
reduces their chances of ever attaining real happiness.
contract
While bank lending continues to contract,
financial market conditions remain supportive of economic growth.