1
to recommend;to endorse (e.g. a candidate);to nominate;to support;to back
2
to infer (from);to deduce;to gather;to conjecture;to surmise
彼女のイントネーションから推すに少女時代はスペイン語圏に住んでいたと思われる。
You can tell by her intonation that she lived in a Spanish speaking country when she was young.
3
to think (something) through;to ponder deeply