sane

absolutely of sound mind, without any doubt

entirely of sound mind

to a significant degree of sound mind

not completely of sound mind; possibly a little mad

sane to a fair or moderate degree

sane in comparison to someone or something else

to be of sound mind and not mad

to appear to be of sound mind

to continue to be of sound mind, especially in a difficult situation

to continue to be of sound mind, especially in a difficult situation

to cause someone to remain of sound mind