A favorable impression or goodwill toward someone or something; a feeling of liking or positive regard.
面接で好感を与えるために身だしなみに気をつけた。
I paid attention to my appearance to make a good impression at the interview.
彼の誠実な態度に好感を持った。
I felt favorably impressed by his sincere attitude.
好感を得るには無理に取り繕うより自然でいる方がいい。
To gain a favorable impression, it's better to be natural than to force things.