Sober-minded
Pronunciation : So"ber-mind`ed
Part of Speech : a.
Definition : Defn: Having a disposition or temper habitually sober. -- So"ber-mind`ed*ness, n.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder