thoughtful vs attentive

thoughtful and attentive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
thoughtful	No	Yes	No	No
attentive	No	Yes	No	No

As adjectives, thoughtful and attentive are synonyms defined as:

thoughtful and attentive: taking heed; giving close and thoughtful attention

Other synonyms of thoughtful include heedful, paying attention.

thoughtful (adjective)	attentive (adjective)
exhibiting or characterized by careful thought	(often followed by `to') giving care or attention
taking heed; giving close and thoughtful attention	taking heed; giving close and thoughtful attention
considerate of the feelings or well-being of others
having intellectual depth
characterized by solemn, sincere manner