乗(の)せるto place on (something), to give (someone) a ride, to give a lift, to pick up, to help on board, to load (luggage), to carry, to take on board, to send out (on the airwaves, etc.), to deceive, to take for a ride, to (sing) along with (musical accompaniment), to let (someone) take part, to excite (someone), to publish (an article), to run (an ad)

赤(あか)ちゃんを膝(ひざ)の上(うえ)に乗(の)せる。

To put the baby on your lap. {to place on (something), to give (someone) a ride, to give a lift, to pick up, to help on board, to load (luggage), to carry, to take on board, to send out (on the airwaves, etc.), to deceive, to take for a ride, to (sing) along with (musical accompaniment), to let (someone) take part, to excite (someone), to publish (an article), to run (an ad)}

泣(な)き喚(わめ)く子(こ)どもたちを何(なん)とか車(くるま)に乗(の)せました。

I somehow managed to get the crying children into the car. {to place on (something), to give (someone) a ride, to give a lift, to pick up, to help on board, to load (luggage), to carry, to take on board, to send out (on the airwaves, etc.), to deceive, to take for a ride, to (sing) along with (musical accompaniment), to let (someone) take part, to excite (someone), to publish (an article), to run (an ad)}

先生(せんせい)：「ピアノの演奏(えんそう)に乗(の)せて歌(うた)を歌(うた)いましょう。」

Teacher: 'Let's sing a song along with the piano.' {to place on (something), to give (someone) a ride, to give a lift, to pick up, to help on board, to load (luggage), to carry, to take on board, to send out (on the airwaves, etc.), to deceive, to take for a ride, to (sing) along with (musical accompaniment), to let (someone) take part, to excite (someone), to publish (an article), to run (an ad)}

もう二度(にど)と口車(くちぐるま)に乗(の)せられて不利(ふり)な契約(けいやく)なんかを結(むす)ぶまい！

I won't be taken for a ride by wheedling and sign an unfavorable contract ever again! {to place on (something), to give (someone) a ride, to give a lift, to pick up, to help on board, to load (luggage), to carry, to take on board, to send out (on the airwaves, etc.), to deceive, to take for a ride, to (sing) along with (musical accompaniment), to let (someone) take part, to excite (someone), to publish (an article), to run (an ad)}

ビジネスを予想(よそう)以上(いじょう)に早(はや)く安定(あんてい)軌道(きどう)に乗(の)せられたので嬉(うれ)しいです。

I am happy because the business has been placed on a stable trajectory faster than expected. {to place on (something), to give (someone) a ride, to give a lift, to pick up, to help on board, to load (luggage), to carry, to take on board, to send out (on the airwaves, etc.), to deceive, to take for a ride, to (sing) along with (musical accompaniment), to let (someone) take part, to excite (someone), to publish (an article), to run (an ad)}