onus of proof
See burden of proof.

• advocacy qualification
• advocate
• Advocates-General
• advowson
• aequitas est quasi aequalitas
• affidavit
• affiliation order
• affinity
• affirm
• affirmative resolution
• affray
• affreightment
• African, Caribbean, Pacific Group
• AGA
• age discrimination
• agency
• agency workers
• agent
• agent provocateur
• age of consent
• aggravated assault
• aggravated burglary
• aggravated damages
• aggravated trespass
• aggravated vehicle-taking