What does «entereza» mean in Spanish?

Quality of wholeness; completeness, perfection.
Positive qualities of those who face their problems are self-control, serenity and tenacity; firmness, strength, poise.

Examples of use in Spanish: "entereza de carácter".

"afrontó este grave problema con entereza".

"debes soportar con entereza tu enfermedad".
Perfect or severe observance of discipline, ideas or decisions; uprightness, irreproachability, inflexibility.

Examples of use in Spanish: "siempre ha desempeñado su cargo con total entereza".
Righteousness in the administration of justice.

Examples of use in Spanish: "ha administrado justicia con total entereza".
Energy, decisiveness in the way of behaving.

Examples of use in Spanish: "gestionó un negocio con entereza".
(entereza virginal) Virginity.