Artlessly and For certain

Artlessly adverb - Without any attempt to impress by deception or exaggeration.

For certain and artlessly are semantically related. In some cases you can use "For certain" instead an adverb "Artlessly".

For certain adverb - Definitely or positively (`sure' is sometimes used informally for `surely').

Artlessly and for certain are semantically related. Sometimes you can use "Artlessly" instead an adverb phrase "For certain".