Anaesthetic that has a smooth induction is:
Ether is highly soluble in body tissues hence induction is slow and unpleasant. Nitrous oxide causes smooth induction but causes less potent. Halothane causes smooth and rapid induction and in 2-5 min surgical anesthesia can be produced. From padmaja 4th edition Page no 192,193
Diethyl ether
Isoflurane
N2O
Halothane
Anesthesia