MASTERLY

consummate, masterful, masterly, virtuoso

(adjective) having or revealing supreme mastery or skill; “a consummate artist”; “consummate skill”; “a masterful speaker”; “masterful technique”; “a masterly performance of the sonata”; “a virtuoso performance”

Source: WordNet® 3.1

Etymology 1

Adjective

masterly (comparative more masterly, superlative most masterly)

Executed in the manner of a master; showing competence and skill; masterful.

Synonyms: maestrolike, masterlike, masterous (obsolete), Thesaurus:skilled

(usually, derogatory, obsolete) Like a master; arbitrary; domineering, imperious.

Synonyms: despotic, overbearing

Etymology 2

Adverb

masterly (comparative more masterly, superlative most masterly)

(archaic) In a masterful manner; competently, masterfully.

Synonyms: expertly, skilfully

Source: Wiktionary

Mas"ter*ly, a.

1. Suitable to, or characteristic of, a master; indicating thorough knowledge or superior skill and power; showing a master's hand; as, a masterly design; a masterly performance; a masterly policy. "A wise and masterly inactivity." Sir J. Mackintosh.

2. Imperious; domineering; arbitrary.

Mas"ter*ly, adv.

Definition: With the skill of a master. Thou dost speak masterly. Shak.

Source: Webster’s Unabridged Dictionary 1913 Edition