[noun] [C usually singular] - (a word or phrase which represents) the main ideas or principles directing the way that someone behaves or the way that something is doneSimplicity would seem to be the watchword of this designer.For the property world the watchword for this decade is buy, not build.And remember, let caution be your watchword.
WATCHWORD
Meaning of WATCHWORD in English
Cambridge English vocab. Кембриджский английский словарь. 2012