guessஊகிūki(uuhi)(6b tr)infer; deduce; conclude, reason, work out; glean, divine, intuit, understand, assume, presume, conjecture , surmise, reckon; (inf.) figure out
Usage:
கௌரியின் வயதைச் சரியாக ஊகிக்க முடியவில்லையேkauriyiṉ vayataic cariyāka ūkikka muṭiyavillaiyē
gauriyooḍa vayase sariyaa uuhikka muḍiyaliyee
I am totally unable to guess Gauri's age correctly.