gratefulness

noun gratefulness

• gratitude — the quality or feeling of being grateful or thankful: He expressed his gratitude to everyone on the staff.
• acknowledgment — An acknowledgment is a statement or action which recognizes that something exists or is true.
• testimonial — a written declaration certifying to a person's character, conduct, or qualifications, or to the value, excellence, etc., of a thing; a letter or written statement of recommendation.
• indebtedness — the state of being indebted.
• thanks — to express gratitude, appreciation, or acknowledgment to: She thanked them for their hospitality.