to be sure; to verify, ascertain, or clinch a fact

really; truly; used to emphasize the truth of a statement

used to emphasize that something is truly or certainly the case

clear-cut, definite, and easily understood in nature

correct; sound; right; proper

to ensure or guarantee

to verify the truth, accuracy, or validity of something, or to provide formal acknowledgment

accurate; exact; precise

to be convinced, sure, or to firmly believe that something is true

to firmly set up or fix something abstract, such as a position, relationship, or goal

accurate, exact, or specific in detail or expression

accurate; precise

to make a definite medical diagnosis

firmly established by evidence and impossible to deny or doubt

absolutely true and indisputable; corroborated in every detail and from every point of view

accuracy or precision; the degree of being exact

to prove, confirm, or corroborate

The state or quality of being certain or definite.

to be true; to have actually occurred

truly or indeed; used to emphasize the truth of a statement

dacron (loanword)

Queshan, a county in Zhumadian City, Henan

(math.) infimum; greatest lower bound

The least upper bound of a set, being the smallest value that is greater than or equal to every element in that set.

established and irrefutable

untrue; inaccurate; not factual

certainly; indeed

A small but certain happiness; simple pleasures found in everyday life.

not in accordance with fact, truth, or a required standard; erroneous

not clearly defined, settled, or determined

the principle of avoiding language or behavior that may offend or disadvantage particular groups of people

Heisenberg's uncertainty principle (1927)

the correct political or party line