Thankful

adj.joyful, kindwarm

What it means

Feeling glad appreciation for help, kindness, or a favorable outcome.

Reach for it when expressing personal gratitude in an ordinary, warm voice

We were thankful that a neighbor noticed the broken pipe before the freeze.

everyday
glad
when simple pleasure at an outcome is sufficient
not when Glad omits appreciation for the person or circumstance that made it possible.
everyday
grateful
when appreciation is deep or directed toward a person
not when Grateful is often the stronger choice for a formal note of thanks, while thankful sounds more conversational.
everyday
relieved
when the good outcome mainly ends fear or strain
not when Relief is not gratitude unless help or good fortune is also being acknowledged.
warm
blessed
when a spiritual frame or sense of fortunate abundance is welcome
not when Blessed may introduce religion or social-media exuberance that the audience does not share.
warm
touched
when a gesture creates emotional warmth as well as thanks
not when Touched focuses on the feeling caused, not a continuing state of gratitude.
professional
appreciative
when recognizing effort or value without strong emotion
not when Appreciative can feel observational when heartfelt gratitude is wanted.
formal
indebted
when another person's help created a serious obligation of gratitude
not when Indebted is too heavy for a small kindness and may imply repayment.
literary
beholden
when gratitude carries an old-fashioned sense of obligation
not when Beholden can sound burdensome or unequal, which may spoil a friendly card.

thankful for
I am thankful for the patience you brought to every difficult conversation.
deeply thankful
The family was deeply thankful to the crew who restored the heat overnight.
feel thankful
She began to feel thankful for the delay once the safer route opened.

The definition and the example on this page are written here. The dictionaries above ground which meaning is being described, not the wording.