i Register
In some senses, participial is marked as dated. Watch for register when choosing this word.
adj
Of, relating to, or being a participle.
noun
A non-finite verb.
§ 280. A Participial is a derived form of the verb used not for asserting but for expressing either, — 1. An object of thought; or, 2. A modification of such an object. Participials, accordingly, are either, — 1. Noun-participials; as, "To think is to act;" "Their sending the messacre was the cause of the trouble;" or, 2. Adjective-participials, more commonly called Participles; as, "The advancing army;" "The expected messenger."
[…] the verb has two forms, which […] are called Participials, namely, (a) The Infinitv […] (b) The Participle […] .
A participial word.