This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Being in agreement or accord: remarks consonant with our own beliefs.

adj. Corresponding or alike in sound, as words or syllables.

adj. Harmonious in sound or tone.

n. A speech sound produced by a partial or complete obstruction of the air stream by any of various constrictions of the speech organs, such as (p), (f), (r), (w), and (h).

n. A letter or character representing such a speech sound.

n. A sound that results from the passage of air through restrictions of the oral cavity; any sound that is not the dominant sound of a syllable, the dominant sound generally being a vowel.

n. A letter representing the sound of a consonant.

adj. Characterized by harmony or agreement.

adj. Having agreement; congruous; consistent; according; -- usually followed by with or to.

adj. Having like sounds.

adj. harmonizing together; accordant.

adj. Of or pertaining to consonants; made up of, or containing many, consonants.

n. An articulate sound which in utterance is usually combined and sounded with an open sound called a vowel; a member of the spoken alphabet other than a vowel; also, a letter or character representing such a sound.

Sounding together; agreeing in sound; specifically, in music, having an agreeable and complete or final effect: said of a combination of sounds.

Having or emitting like sounds.

Harmonious; agreeing; congruous; consistent: followed generally by to, sometimes by with: as, this rule is consonant to Scripture and reason.

[Attrib. use of noun.] Consisting of or relating to consonants; consonantal.

n. An alphabetic element other than a vowel; one of the closer, less resonant and continuable, of the sounds making up a spoken alphabet; an articulate utterance which is combined, to form a syllable, with another opener utterance called a vowel.

n. a speech sound that is not a vowel

adj. involving or characterized by harmony

n. a letter of the alphabet standing for a spoken consonant

adj. in keeping

"If the last letter of the stem is a consonant, the word is said to have a _consonant stem_; if the stem ends in «-i-», the word is said to have an «i-»_stem_."

harmonious    consistent   

letter    letter of the alphabet    alphabetic character   

harmony    consonant interval    consonant terms    vowel    semivowel    Wikipedia article on consonants   

congruous    consistent    according    accordant    articulation    letter    sound    explosive    explodent    sonant   

vowel    syllable    monosyllable    inconsistent    consistent    conformable    guttural    dhe    compatible