flawlessly β having no defects or faults, especially none that diminish the value of something: a flawless Ming Dynasty vase.
perfectly β in a perfect manner or to a perfect degree: to sing an aria perfectly.
immaculately β free from spot or stain; spotlessly clean: immaculate linen.
correctly β to set or make true, accurate, or right; remove the errors or faults from: The native guide corrected our pronunciation. The new glasses corrected his eyesight.
ideally β in accordance with an ideal; perfectly.
irreproachable β free from blame; not able to be reproached or censured.
blameless β Someone who is blameless has not done anything wrong.
spotless β free from any spot, stain, etc.; immaculately clean: a spotless kitchen.
indeed β in fact; in reality; in truth; truly (used for emphasis, to confirm and amplify a previous statement, to indicate a concession or admission, or, interrogatively, to obtain confirmation): Indeed, it did rain as hard as predicted. Did you indeed finish the work?
literally β in the literal or strict sense: She failed to grasp the metaphor and interpreted the poem literally. What does the word mean literally?
quite β completely, wholly, or entirely: quite the reverse; not quite finished.
specifically β in a definite or precise manner: The suspect was not specifically named in the report. More specifically, you will be responsible for half the total cost.
strictly β in a strict manner; rigorously; stringently: strictly enforced.
faithfully β strict or thorough in the performance of duty: a faithful worker.
for certain β free from doubt or reservation; confident; sure: I am certain he will come.
for sure β free from doubt as to the reliability, character, action, etc., of something: to be sure of one's data.
methodically β performed, disposed, or acting in a systematic way; systematic; orderly: a methodical person.
on the dot β a small, roundish mark made with or as if with a pen.
on the money β any circulating medium of exchange, including coins, paper money, and demand deposits.
on the nail β a slender, typically rod-shaped rigid piece of metal, usually in any of numerous standard lengths from a fraction of an inch to several inches and having one end pointed and the other enlarged and flattened, for hammering into or through wood, other building materials, etc., as used in building, in fastening, or in holding separate pieces together.