ROGET THESAURUS
of sound mind
Sanity
N
sanity, soundness, rationality, sobriety, lucidity, lucid interval, senses, sober senses, right mind, sound mind, mens sana, sane, rational, reasonable, compos mentis,
of sound mind, sound, sound-minded, lucid, self-possessed, sober, sober-minded, in one's sober senses, in one's right mind, in possession of one's faculties, sanely.