"Grantly" is an uncommon word, and finding exact synonyms might be challenging. However, we can explore alternatives that convey similar meanings or associate closely. When seeking comparable terms for "Grantly", we could consider words like gradually, slowly, steadily, unhurriedly, in stages, by degrees, step by step, progressively, or bit by bit. These synonyms indicate a slow and gradual progression, mirroring the essence of the word "Grantly". While these words may not precisely replicate its exact meaning, they capture the concept of a steady advancement, allowing for nuanced variation in expressions.