
1) Cantillate 2) Chant 3) Chant in a solemn way 4) Chant in an unvarying voice 5) Drone 6) Drone monotonously 7) Emulate the gregorians 8) Enunciate slowly 9) French word used in English 10) Have chants encounters 11) Mouth 12) Perform a Gregorian chant 13) Perform Gregorian chant 14) Perform Gregorian chants
Found on
https://www.crosswordclues.com/clue/intone

1) Cantillate 2) Chant 3) Croon 4) Intonate 5) Sing
Found on
https://www.crosswordclues.com/clue/intone

• (v. t.) To utter with a musical or prolonged note or tone; to chant; as, to intone the church service. • (v. i.) To utter a prolonged tone or a deep, protracted sound; to speak or recite in a measured, sonorous manner; to intonate.
Found on
http://thinkexist.com/dictionary/meaning/intone/
In·tone' intransitive verb To utter a prolonged tone or a deep, protracted sound; to speak or recite in a measured, sonorous manner; to intonate.
Pope. Found on
http://www.encyclo.co.uk/webster/I/87
In·tone' transitive verb [
imperfect & past participle Intoned ;
present participle & verbal noun Intoning .] [ Late Latin
intonare ,
intonatum ; prefix
in- in + Latin
tonus tone. See
Tone and confer...
Found on
http://www.encyclo.co.uk/webster/I/87

intone, entone 1. The action of intoning; the tone of voice used in intoning. 2. To sing the opening phrase of a plain-song melody at the beginning of a chant, canticle, etc., usually as a solo or semichorus. 3. To utter with a particular tone or intonation. 4. To utter tones, as in singing or speaking; 'to make a slow protracted noise'.
Found on
http://www.wordinfo.info/words/index/info/view_unit/2160/
No exact match found.