na-adjective
Describes a manner or atmosphere that feels friendly, close, or intimate. Often used adverbially as 親しげに.
彼は初対面なのに親しげに話しかけてきた。
He spoke to me in a friendly way even though we had just met.
二人は親しげに肩を並べて歩いていた。
The two were walking shoulder to shoulder in a close, friendly manner.