1) a picture in the mid; result of thinking and learning; an opinion; a plan; intention as a result of thinking (idea)

2) a payment required for the use of a road, bridge, harbour etc; the costs suffered as a result of a war, disease, famine etc; (to cause a bell) to ring with slow, regular sounds (toll)

3) a journey for pleasure; an act of falling while catching one's foot etc in an obstacle; an excited mental experience as a result of taking certain drugs (trip)

4) money won as a result of gambling (winnings)