plainly β clear or distinct to the eye or ear: a plain trail to the river; to stand in plain view.
unambiguous β not ambiguous, or unclear; distinct; unequivocal: The object of the experiment was to reach an unambiguous conclusion about climate change.
unequivocally β in a way that is clear and unambiguous: The theme is unequivocally religious.
certainly β You use certainly to emphasize what you are saying when you are making a statement.
absolutely β Absolutely means totally and completely.
decidedly β Decidedly means to a great extent and in a way that is very obvious.
doubtless β without doubt; certainly; surely; unquestionably.
easily β in an easy manner; with ease; without trouble: The traffic moved along easily.
finally β at the final point or moment; in the end.
surely β firmly; unerringly; without missing, slipping, etc.
undeniably β incapable of being denied or disputed: undeniable evidence of arson.
unquestionably β not open to question; beyond doubt or dispute; indisputable; undeniable; certain: an unquestionable fact.
categorically β without exceptions or conditions; absolute; unqualified and unconditional: a categorical denial.
doubtlessly β without doubt; certainly; surely; unquestionably.
far and away β at or to a great distance; a long way off; at or to a remote point: We sailed far ahead of the fleet.
indubitably β that cannot be doubted; patently evident or certain; unquestionable.
positively β with certainty; absolutely: The statement is positively true.
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.
without doubt β to be uncertain about; consider questionable or unlikely; hesitate to believe.
without fail β to fall short of success or achievement in something expected, attempted, desired, or approved: The experiment failed because of poor planning.
without question β If you do something without question, you do it without arguing or asking why it is necessary.
definitely β You use definitely to emphasize that something is the case, or to emphasize the strength of your intention or opinion.
pointedly β having a point or points: a pointed arch.
directly β in a direct line, way, or manner; straight: The path leads directly to the lake.
distinctly β in a distinct manner; clearly: Speak more distinctly.
in no uncertain terms β If you say that someone tells a person something in no uncertain terms, you are emphasizing that they say it strongly and clearly so that there is no doubt about what they mean.
manifestly β readily perceived by the eye or the understanding; evident; obvious; apparent; plain: a manifest error.
accurately β free from error or defect; consistent with a standard, rule, or model; precise; exact.
particularly β in a particular or to an exceptional degree; especially: He read it with particularly great interest.
altogether β You use altogether to emphasize that something has stopped, been done, or finished completely.
carefully β cautious in one's actions: Be careful when you cross the street.
completely β having all parts or elements; lacking nothing; whole; entire; full: a complete set of Mark Twain's writings.
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.
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?
precisely β definitely or strictly stated, defined, or fixed: precise directions.
quite β completely, wholly, or entirely: quite the reverse; not quite finished.
strictly β in a strict manner; rigorously; stringently: strictly enforced.