something that is certain

positive assurance

the act of confiding

belief in oneself

the state of always being the same in standard, form, behaviour etc

thickness

the quality of being firm, faithful, unchanging

fixedness

the quality that makes a person able to control fear in the face of danger, pain etc

boldness, braveness

calm courage, self-control, in the face of pain, danger or difficulty

strength of mind; guts

a fibre or bundle of fibres carrying messages concerning feeling and movement between the brain and all parts of the body; condition of being easily excited, worried, irritated

daring, boldness

a formal expression of opinion by an official meeting; something one makes up one's mind to do; the ending (of a doubt, problem etc) by supplying an answer

determination, strong will

a serious decision; to decide (something), especially with determination

decision, determination

strict enforcement (of rules etc); harsh; severe conditions

strictness, exactness

the quality of being strong

stamina, mental or physical

diligence, stubbornness

diligence, stubbornness

determination

determination

bravery, especially in war

bravery

strength or firmness of will

personal determination