Masterly

adj.capable, thoughtfulformal

What it means

Showing the confident skill and judgment of an accomplished expert.

Reach for it when praising a piece of work whose execution demonstrates mature command

Her masterly restoration preserved the repairs as part of the object's history.

warm
superb
for outstanding overall quality without specifying its source
not when Superb does not tell the reader that expert command produced the result.
professional
accomplished
when polished ability reflects substantial experience
not when Accomplished often describes the person, not the singular work.
professional
authoritative
when confidence and knowledge make a treatment definitive
not when Authoritative can sound controlling and does not necessarily mean beautifully executed.
professional
expert
when trained authority and reliable execution are enough
not when Expert is often used before a person or advice and carries less evaluative warmth.
professional
masterful
when bold control and commanding skill shape the work
not when Masterful can imply dominance, while masterly more quietly denotes expert quality.
formal
consummate
when skill seems complete and fully developed
not when Consummate is elevated and can sound excessive outside ceremonial praise.
formal
deft
when difficult details are handled neatly and lightly
not when Deft suggests ease and may understate patient, large-scale work.
formal
virtuosic
for conspicuous technical brilliance in performance
not when Virtuosic may reward display over restraint and fits performed arts best.
literary
sure-handed
for confident control that avoids visible hesitation
not when The metaphor suits craft and direction better than abstract analysis.

masterly performance
The violinist gave a masterly performance without rushing the quiet passages.
masterly analysis
A masterly analysis connected the evidence without flattening its uncertainty.
masterly use
The essay makes masterly use of a single recurring image.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.