Certified is a related term of skilful.
As a verb certified
is (certify).
As an adjective skilful is
possessing skill, skilled.
certified
English
Verb
(head)
(certify)
Anagrams
*
certify
English
Verb
to attest to as the truth or meeting a standard
Synonyms
* (to attest as to) attest, witness, vouch for, approve, confirm
Derived terms
* certifiable
* decertify
Related terms
* certification
Anagrams
*
skilful
English
Alternative forms
* (l) (obsolete)
* (US) skillful
Related terms
* skill
* skilled
* skilfully