Problem: Sentence1: The artist must first learn to see.
Sentence2: I went to see my friend Mary the other day.
Q: Does the term see mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: I want to get there early; let's roll.
Sentence2: The water rolled.
Q: Does the term roll mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: I'm not going to buy your stupid excuses anymore!
Sentence2: I can't buy this story.
Q: Does the term buy mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: We can not admit non-members into our club building.
Sentence2: To admit a serious thought into the mind.
Q: Does the term admit mean the same thing in both these sentences?

Answer:
the same meaning