This is the 5449th most frequent Japanese word.
ありがた
"ありがた" means "grateful" or "thankful."
Here, 'ありがたい' is an adjective expressing a sense of gratitude and thankfulness for a kind action or gesture.
このような支援をいただけるのは本当にありがたいことです。
Receiving such support is truly appreciated.
In this context, 'ありがたいことに' is an adverbial expression used to show gratitude for a fortunate situation or event.
ありがたいことに、友人たちが私を支えてくれました。
Thankfully, my friends supported me.
Here, 'ありがたかった' is the past tense form of 'ありがたい,' used to express gratitude for something received in the past.