Related Clues:

• Hero's side
• '___ Heartbeat' (1991 Amy Grant hit)
• Not bad
• "___ valley shall be exalted" (Isaiah 40:4)
• -- so often
• Reputable
• B or B+, say
• Valid
• With 51-Across, all over
• ''__ little bit helps''
• Opposite of 1-Across
• Satisfactory
• Word with will or faith
• Part of the mnemonic for EGBDF
• Each's companion