Gradine

2 clues
Altar shelf
One of a series of steps
Similar answers:
Absolutegravity
Academicgrades
Academicprogram
Acowoncegrazed
Acridine
Actofgrace
Adamsgrandson
Adayatthegraces
Aerialphotograph
Aerogram
Afterdinermits
Againstgrain
Againstthegrain
Aggrade
Aggrades
Aggrandize
Aggravate
Aggravated
Aggravatedasalt
Aggravates