的 => about (change noun into na-adjective or adverb) N3
も同然 => just like; same as ~ N2
と同時に => at the same time as; while; simultaneously ~ N2
~もどうぜんだ(~も同然だ)      => just like; same as ~ N1
も[同然「どうぜん」]だ => The same as saying A, as good as A N2
Adjectival, Descriptions