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Soberness
temperance, avoidance, moderation, frugality, self-control, soberness
There are different government regulations on roads. Most of them include safety in driving, speed, soberness while driving and so much more.
Charles A. Ogilvie has written:
'The words of truth and soberness' -- subject(s): Sermons, English, Sermons, English Sermons, Church of England
The noun forms of the verb to sober are sobriety and the gerund, sobering.
The abstract noun form of the adjective sober is soberness.