to think /θɪŋk/ /θɪŋk/
to ponder /ˈpɑːndər/ /ˈpɒndə/
to meditate /ˈmedɪteɪt/ /ˈmedɪteɪt/
to contemplate /ˈkɑntəmˌpleɪt/ /ˈkɒntɛmpleɪt/
