abnegation • abstinence • aplomb • balance • balanced personality • calm • calmness • composure • conservatism • constancy • constraint • continence • control • cool • coolness • dispassion • equanimity • equilibrium • evenness • fastness • firmness • forbearance • gentleness • golden mean • happy medium • homeostasis • impartiality • imperturbability • invariability • judiciousness • juste-milieu • lenity • meden agan • middle way • mildness • moderateness • moderation • moderationism • nerve • neutrality • nonviolence • nothing in excess • pacifism • poise • prudence • reliability • repose • restraint • rootedness • sang-froid • secureness • security • self-abnegation • self-control • self-denial • self-possession • self-restraint • serenity • sobriety • solidity • soundness • stability • stable equilibrium • stable state • steadfastness • steadiness • steady nerves • steady state • substantiality • temperance • temperateness • tranquillity • undeflectability • unexcessiveness • unextravagance • unextremeness • uniformity • unshakable nerves • unshakableness • via media