preferably
1. [ adverb ] more readily or willingly
Synonyms: rather sooner
Examples:

"clean it well, preferably with warm water" "I'd rather be in Philadelphia" "I'd sooner die than give up"

Similar spelling:   preferable
  properly
  proverbially
  proverbial
  proverb
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  property
  preferred
  preferential
  preferment
  preference