Eschew (verb)

1. To avoid deliberately and especially habitually; to shun.
2. To abstain from; to refrain from using or engaging in.
3. To renounce or reject.

Origin:

From middle english eschewen, from old french eschiver, from vulgar latin *excippāre, from latin ex- + cappa ("cloak").

Examples:

1. I will eschew alcohol for the next month.
2. He has always eschewed violence in any form.
3. The company has decided to eschew the use of plastic packaging.
4. The philosopher eschewed any kind of material possessions.
5. The new policy is to eschew the old one.