Guiltless

adj.calm, resilientformal

What it means

Innocent and free from wrongdoing or blame.

Reach for it when describing a person as innocent of the wrongdoing or blame at issue

The evidence confirmed that the guiltless driver followed every rule.

playful
in the clear
informal reassurance follows removal of suspicion or risk
not when The phrase can mean merely safe from consequences, not genuinely guiltless.
everyday
innocent
the person did not commit the alleged wrong
not when Innocent has legal force in some contexts and may imply a verdict that evidence cannot yet support.
professional
exonerated
an investigation has formally cleared the person
not when Exonerated requires a prior accusation and an authoritative clearing process.
formal
blameless
no moral responsibility attaches to the conduct
not when Blameless is stronger than lacking criminal guilt and may ignore a lesser contribution to harm.
formal
faultless
performance or conduct contains no identifiable error
not when Faultless concerns mistakes as well as wrongdoing and can demand unrealistic perfection.

guiltless person
A guiltless person should not bear punishment for another's act.
remain guiltless
She could remain guiltless only by refusing the deceptive request.
prove guiltless
The records helped prove the driver guiltless of the alleged violation.

Guiltless is uncommon in modern legal writing. Innocent, not responsible, or formally exonerated will usually be more precise.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.