Synonyms of 'fundamentally'
Fundamentally, women like him for his sensitivity.
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You use basically to show that you are describing a situation in a simple, general way, and that you are not concerned with less important details.
It's basically a vegan diet.
You use essentially to emphasize a quality that someone or something has, and to say that it is their most important or basic quality.
the belief that geniuses are essentially quite different from ordinary people
Thesaurus for fundamentally from the Collins English Thesaurus
You use fundamentally for emphasis when you are stating an opinion , or when you are making an important or general statement about something.