(verb) To listen to (something or someone); to pay attention to; regard; heed.
"The greatest compliment that was ever paid me was when one asked me what I thought, and attended to my answer."
"I did not attend his funeral, but I sent a nice letter saying I approved of it."
"I would rather be exposed to the inconveniences attending too much liberty than to those attending too small a degree of it."
"Pain insists upon being attended to. God whispers to us in our pleasures, speaks in our consciences, but shouts in our pains. It is his megaphone to rouse a deaf world."