B1
feeling or showing thanks
Dictionary examples:
I'm so grateful for this pizza, I might marry it! (0.0)
She's grateful for online shopping. Her wallet isn't. (0.0)
He's so grateful for wifi, he named his child 'Router'. (0.0)
I'm really grateful to you for all your help. (22.6)
I would be most grateful if you would send me the book immediately. (32.3)