sam-√arth (in some senses rather Nom. fr. sam-artha below), Ā. -arthayate (rarely P. ○ti), to make fit or ready, prepare RV
• to finish, close L
• to connect with (instr.) in sense, construe (grammatically) Sāh. Kull
• to judge, think, contemplate, consider MBh. Kāv. &c
• to suppose to be, take for (acc. with prati) Vikr. iv, 58
• to notice, perceive, find out Kām. Kum. Śaṃk
• to fix upon, determine, approve R
• to cheer up, comfort, encourage Kathās
• samarthaya, often wṛ. for samarpaya, See sam-√ṛ 

Sanskrit-English Dictionary, by M. Monier William