adj

• (informal) Close to a goal or correct answer.
  "Earlier you were way off, but now you're getting warmer."
• (figurative) Communicating a sense of comfort, ease, or pleasantness.
  "a warm piano sound"
• (archaic) Ardent, zealous.
  "a warm debate, with strong words exchanged"
• (archaic, informal) Well off as to property, or in good circumstances; prosperous.
  "You shall have a draught upon him, payable at sight: and let me tell you he is as warm a man as any within five miles round him."

verb

• (transitive) To make or keep warm.
  "Then shall it [an ash tree] be for a man to burn; for he will take thereof and warm himself."
• (intransitive) To become warm, to heat up.
  "My socks are warming by the fire."
• (intransitive) (sometimes in the form warm up) To favour increasingly. [with to]
  "Mr. Campion appeared suitably impressed and she warmed to him. He was very easy to talk to with those long clown lines in his pale face, a natural goon, born rather too early she suspected."
• (ditransitive with to) To cause (someone) to favour (something) increasingly.
  "It is with no small degree of irony that I confess that immersing myself in an interdisciplinary project has warmed me to the seductions of disciplinary perspectives."

noun

• (colloquial) The act of warming, or the state of being warmed; a heating.
  "Shall I give your coffee a warm in the microwave?"