expression, adverb, noun or participle which takes 'suru'
engagingly; cordially; amiably; sociably; hospitably
Describes behaving in a friendly, pleasant, or sociable manner, often to make a good impression or maintain smooth relations.
彼はいつも愛想よく挨拶してくれる。
He always greets me in a friendly way.
店員が愛想よく対
The clerk dealt with me amiably.