Open English Wordnet
Verbs
(v)give voice, formulate, word, phrase, articulateput into words or an expression“He formulated his concerns to the board of trustees”
(v)articulateunite by forming a joint or joints“the ankle bone articulates with the leg bones to form the ankle bones”
Adjectives
(a)articulateexpressing yourself easily or characterized by clear expressive language“articulate speech”, “an articulate orator”, “articulate beings”