Synonyms of the word 
SERIOUS-MINDED → SERIOUS - THOUGHTFUL
serious-minded
- adj. solemn.
serious
- adj. Without humor or expression of happiness; grave in manner or disposition; earnest; solemn.
- adj. Important; weighty; not insignificant.
- adj. Really intending what is said; in earnest; not jocular or deceiving.
thoughtful
- adj. Demonstrating thought or careful consideration.
- adj. Demonstrating kindness or consideration for others.
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