Authentic

Fits when plain informal contrast with artificiality is enough

Careful The vagueness makes it weak for a professional claim about provenance.

Fits when the subject is real rather than fake or imitated

Careful A genuine object says nothing about personal alignment with values.

Fits when truthful communication or fair conduct is the direct point

Careful Authentic identity is broader than whether a statement avoids deception.

Fits when honesty of feeling or intention is the quality being praised

Careful Sincerity can be mistaken; authenticity also concerns what something truly is.

Fits when open disclosure of uncomfortable facts earns the praise

Careful Candor describes expression, not whether the underlying identity is authentic.

Fits when the work comes from its creator rather than a copy

Careful Something original can be affected or false to the creator's character.

Fits when faithfulness to fact, purpose, or character should sound compact

Careful Without a complement such as true to, the intended meaning may be unclear.

Fits when you need an exact but rare contrast with performed emotion

Careful Its archaic flavor is too conspicuous for most cards and resume lines.