reliably

Definitions

In a manner that is consistently good in quality or performance; dependably.

In a way that can be trusted or relied upon to be accurate or true.

Examples

The new software update performs reliably even under heavy system loads.

You can reliably count on her to finish the project before the deadline.

Synonyms

dependably consistently trustworthily steadfastly surely faithfully predictably

Antonyms

unreliably inconsistently erratically unpredictably capriciously fluctuatingly uncertainly