The word that can be best used to complete the sentence is "best wishes"
This refers to the diction that a person uses to convey an idea when writing or giving a speech.
Hence, we can see that based on the given sentence, we can see that Wilson is an independent thinker and as he is performing research, he should be given good wishes to be successful.
Read more about word choices here:
https://brainly.com/question/1619714
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