achieve சாதி cāti (saadi) (6b tr) persevere, persist in attaining a desired end; stick with s.t. until end is attained
Usage:
அவர் தான் எடுத்துக்கொண்ட செயலைச் சாதிக்காமல் விடமாட்டார் avar tāṉ eṭuttukkoṇṭa ceyalaic cātikkāmal viṭamāṭṭār avaru taan eḍuttukiṭṭa kaariyatte saadikkaame viḍamaaṭṭaaru He's the kind of guy who won't leave a project until he achieves his goals.