sollemnis

For although the stated position is in itself venerable (sollemnis) and sensible, it could nevertheless be quite dangerous to those who are not carefully supervised.

Divine Illumination Pasnau, Robert 2006

'Ergo hinc abesto livor, ne frustra gemas, quoniam sollemnis mihi debetur gloria.'

The Student's Companion to Latin Authors Thomas Ross Mills

The petition requesting release from the former condition of service or submission, which the collegiate electoral body, or the newly elected person, must present to the former superior, is called postulatio simplex, in contradistinction to the postulatio sollemnis, or petition to be laid before the pope, in case some canonical impediment prevents the elected person from assuming the episcopal office.

The Catholic Encyclopedia, Volume 5: Diocese-Fathers of Mercy 1840-1916 1913

They also give the benedictio sollemnis after the manner of a bishop.

The Catholic Encyclopedia, Volume 3: Brownson-Clairvaux 1840-1916 1913

One of the books produced by this partnership was the “Tractatus sollemnis et utilis,” etc., which contains “full-page figures of the Sybils, fine initials, and an interlaced border to the first page of text, all executed in wood engraving.”

Printers' Marks A Chapter in the History of Typography 1901

concinet: a stabulis tunc procul este lupi. ille leuis stipulae sollemnis potus aceruos

In Honour of Messalinus, elected Guardian of the Sibylline Oracles Tibullus 1912

"Forte cum in triclinio iaceremus, quia dies sollemnis ludum artaverat pigritiamque recedendi imposuerat hilaritas longior, fere circa mediam noctem intellexi puerum vigilare.

The Satyricon of Petronius Arbiter 20-66 Petronius Arbiter