In a licit manner, legally, in a manner compatible with law.(adverb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "licitly" in a sentence
"It is also for this reason that everything (licitly) done within the liturgy, and in continuity with liturgical tradition, can serve as a light to brighten and make clearer the doctrines of the Church and the sacred mysteries being encountered."
"Hence, according to Bugini himself, hymns may not licitly replace propers in the new Mass."
"The Gradual and Alleluia of old are licitly replaced by this new idea called the Responsorial Psalm and a dramatically shrunken Alleuia while the "Gospel Acclamation" has displaced the glorious Tracts of old."